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(Old Version) ACT Math Course (Answer Explanations Only)
Introduction to the PrepPros Complete Guide to ACT Math
How To Best Use the Book (pp. i-ii) (4:17)
The 4 Level System: How It Works & Matt's Advice on Using It Properly (pp. iii-iv) (3:20)
Practice ACT and Diagnostic Sheet - Find What Topics You Need To Study
Find What Topics You Need To Study With This Free Practice ACT & Diagnostic Sheet (1:48)
ACT Math Study Guide - How To Know What Chapters You Should Study
How To Use The Study Guides + PDF Download (p. v) (0:37)
Level 1 Study Guide (For Students Scoring 23 and Below) + Matt's Tips and Advice (pp. v-vii) (1:46)
Level 2 Study Guide (For Students Scoring 24-27) + Matt's Tips and Advice (pp. ix-xiv) (1:17)
Level 3 Study Guide (For Students Scoring 28-32) + Matt's Tips and Advice (pp. xv-xxi) (1:33)
Level 4 Study Guide (For Students Aiming For 33-36) + Matt's Tips and Advice (pp. xxii-xxvi) (2:12)
Introduction to the ACT Math Test
Introduction To The ACT Math Test - Important Tips & Strategies (xxxiii-xxxiv) (3:59)
Chapter 1 - Practice Question Explanations (pp. 2-3)
Question 1 (level 1) (0:44)
Question 2 (level 1) (1:34)
Question 3 (level 1) (1:48)
Question 4 (level 1) (1:40)
Question 5 (level 3) (1:14)
Question 6 (level 2) (1:02)
Question 7 (level 1) (0:39)
Question 8 (level 2) (1:59)
Question 9 (level 1) (1:06)
Question 10 (level 1) (3:19)
Question 11 (level 1) (1:04)
Question 12 (level 2) (1:32)
Question 13 (level 1) (2:07)
Question 14 (level 2) (1:21)
Question 15 (level 2) (3:15)
Chapter 2 - Practice Question Explanations (pp. 5-6)
Question 1 (level 2) (1:41)
Question 2 (level 2) (1:46)
Question 3 (level 2) (1:11)
Question 4 (level 1) (1:08)
Question 5 (level 2) (0:52)
Question 6 (level 2) (1:16)
Question 7 (level 2) (1:50)
Question 8 (level 1) (2:06)
Question 9 (level 3) (2:44)
Question 10 (level 2) (1:48)
Question 11 (level 3) (1:52)
Question 12 (level 2) (2:43)
Question 13 (level 4) (3:17)
Chapter 3 - Practice Question Explanations (pp. 10-13)
Question 1 (level 2) (1:01)
Question 2 (level 1) (0:24)
Question 3 (level 2) (1:19)
Question 4 (level 2) (1:31)
Question 5 (level 3) (1:11)
Question 6 (level 2) (0:56)
Question 7 (level 1) (0:39)
Question 8 (level 3) (0:37)
Question 9 (level 2) (1:39)
Question 10 (level 2) (1:19)
Question 11 (level 3) (1:34)
Question 12 (level 2) (0:38)
Question 13 (level 3) (1:39)
Question 14 (level 2) (1:29)
Question 15 (level 2) (0:59)
Question 16 (level 2) (1:08)
Question 17 (level 4) (4:35)
Question 18 (level 2) (1:07)
Question 19 (level 4) (2:55)
Question 20 (level 4) (1:37)
Question 21 (level 4) (2:31)
Question 22 (level 4) (2:08)
Chapter 4 - Practice Question Explanations (pp. 23-30)
Question 1 (level 1) (0:57)
Question 2 (level 1) (0:48)
Question 3 (level 1) (1:01)
Question 4 (level 1) (2:04)
Question 5 (level 1) (0:43)
Question 6 (level 1) (0:49)
Question 7 (level 1) (1:06)
Question 8 (level 1) (0:36)
Question 9 (level 1) (1:00)
Question 10 (level 1) (1:18)
Question 11 (level 2) (1:33)
Question 12 (level 1) (1:21)
Question 13 (level 2) (0:20)
Question 14 (level 1) (0:48)
Question 15 (level 2) (0:52)
Question 16 (level 2) (0:59)
Question 17 (level 1) (0:48)
Question 18 (level 2) (1:52)
Question 19 (level 1) (0:50)
Question 20 (level 1) (0:33)
Question 21 (level 2) (1:41)
Question 22 (level 2) (1:23)
Question 23 (level 2) (1:06)
Question 24 (level 2) (0:43)
Question 25 (level 3) (0:56)
Question 26 (level 2) (1:09)
Question 27 (level 2) (0:54)
Question 28 (level 2) (1:03)
Question 29 (level 2) (2:46)
Question 30 (level 2) (0:28)
Question 31 (level 3) (2:02)
Question 32 (level 2) (0:42)
Question 33 (level 3) (1:22)
Question 34 (level 2) (0:40)
Question 35 (level 2) (1:40)
Question 36 (level 2) (0:51)
Question 37 (level 2) (0:57)
Question 38 (level 3) (2:12)
Question 39 (level 3) (1:26)
Question 40 (level 3) (2:34)
Question 41 (level 3) (2:04)
Question 42 (level 3) (2:15)
Question 43 (level 3) (0:32)
Question 44 (level 3) (1:22)
Question 45 (level 3) (1:32)
Question 46 (level 3) (1:05)
Question 47 (level 3) (1:29)
Question 48 (level 3) (1:49)
Question 49 (level 3) (1:24)
Question 50 (level 3) (2:39)
Question 51 (level 4) (2:09)
Question 52 (level 4) (4:19)
Question 54 (level 4) (1:50)
Question 55 (level 4) (2:11)
Question 56 (level 3) (1:21)
Chapter 5 - Practice Question Explanations (pp. 36-40)
Question 1 (level 1) (0:30)
Question 2 (level 1) (0:38)
Question 3 (level 1) (0:41)
Question 4 (level 1) (0:38)
Question 5 (level 1) (1:10)
Question 6 (level 1) (1:15)
Question 7 (level 1) (2:02)
Question 8 (level 1) (0:51)
Question 9 (level 1) (1:02)
Question 10 (level 2) (1:01)
Question 11 (level 2) (1:23)
Question 12 (level 1) (0:41)
Question 13 (level 1) (1:56)
Question 14 (level 1) (1:23)
Question 15 (level 1) (1:19)
Question 16 (level 1) (1:47)
Question 17 (level 2) (2:22)
Question 18 (level 1) (0:52)
Question 19 (level 3) (2:38)
Question 20 (level 2) (0:41)
Question 21 (level 1) (0:49)
Question 22 (level 2) (2:08)
Question 23 (level 3) (1:00)
Question 24 (level 3) (2:19)
Question 25 (level 4) (2:43)
Question 26 (level 3) (1:50)
Question 27 (level 4) (3:22)
Chapter 6 - Practice Question Explanations (pp. 46-50)
Question 1 (level 1) (0:25)
Question 2 (level 1) (0:29)
Question 3 (level 1) (0:22)
Question 4 (level 1) (0:34)
Question 5 (level 1) (0:31)
Question 6 (level 1) (0:32)
Question 7 (level 1) (0:26)
Question 8 (level 1) (0:24)
Question 9 (level 1) (0:23)
Question 10 (level 1) (0:25)
Question 11 (level 1) (0:42)
Question 12 (level 1) (1:07)
Question 13 (level 1) (0:40)
Question 14 (level 1) (0:51)
Question 15 (level 1) (2:08)
Question 16 (level 1) (0:41)
Question 17 (level 1) (0:49)
Question 18 (level 1) (1:27)
Question 19 (level 1) (0:48)
Question 20 (level 1) (1:47)
Question 21 (level 2) (1:45)
Question 22 (level 1) (1:10)
Question 23 (level 1) (2:13)
Question 24 (level 2) (2:06)
Question 25 (level 1) (1:08)
Question 26 (level 1) (0:41)
Question 27 (level 2) (2:02)
Question 28 (level 2) (2:24)
Question 29 (level 2) (1:54)
Question 30 (level 2) (1:48)
Question 31 (level 2) (2:40)
Question 32 (level 2) (1:58)
Question 33 (level 3) (1:49)
Question 34 (level 2) (1:11)
Question 35 (level 2) (0:46)
Question 36 (level 2) (1:36)
Question 37 (level 2) (2:40)
Question 38 (level 2) (1:37)
Question 39 (level 3) (4:34)
Question 40 (level 3) (0:52)
Question 41 (level 3) (0:46)
Question 42 (level 3) (1:21)
Question 43 (level 3) (1:31)
Question 44 (level 4) (4:18)
Chapter 7 - Practice Question Explanations (pp. 57-60)
Question 1 (level 1) (0:21)
Question 2 (level 1) (0:40)
Question 3 (level 1) (0:30)
Question 4 (level 1) (1:18)
Question 5 (level 1) (0:40)
Question 6 (level 1) (0:32)
Question 7 (level 1) (0:31)
Question 8 (level 1) (0:36)
Question 9 (level 1) (1:07)
Question 10 (level 1) (0:50)
Question 11 (level 1) (1:01)
Question 12 (level 1) (1:25)
Question 13 (level 1) (0:38)
Question 14 (level 1) (0:43)
Question 15 (level 2) (0:47)
Question 16 (level 2) (0:52)
Question 17 (level 2) (0:38)
Question 18 (level 2) (1:03)
Question 19 (level 3) (3:09)
Question 20 (level 3) (3:29)
Question 21 (level 2) (2:14)
Question 22 (level 1) (1:07)
Question 23 (level 3) (2:11)
Question 24 (level 2) (0:54)
Question 25 (level 2) (1:39)
Question 26 (level 3) (1:18)
Question 27 (level 2) (0:50)
Question 28 (level 3) (0:48)
Question 29 (level 3) (0:38)
Question 30 (level 4) (0:53)
Question 31 (level 4) (1:46)
Question 32 (level 4) (1:17)
Question 33 (level 4) (1:44)
Chapter 8 - Practice Question Explanations (pp. 68-71)
Question 1 (level 1) (0:33)
Question 2 (level 1) (0:25)
Question 3 (level 1) (0:28)
Question 4 (level 1) (0:38)
Question 5 (level 1) (0:44)
Question 6 (level 1) (0:46)
Question 7 (level 2) (0:53)
Question 8 (level 2) (0:56)
Question 9 (level 2) (0:39)
Question 10 (level 2) (0:40)
Question 11 (level 2) (0:42)
Question 12 (level 2) (0:59)
Question 13 (level 1) (1:01)
Question 14 (level 2) (0:56)
Question 15 (level 2) (0:46)
Question 16 (level 2) (0:30)
Question 17 (level 2) (0:56)
Question 18 (level 3) (0:51)
Question 19 (level 3) (1:15)
Question 20 (level 3) (1:04)
Question 21 (level 3) (1:12)
Question 22 (level 2) (1:30)
Question 23 (level 3) (1:30)
Question 24 (level 3) (0:56)
Question 25 (level 3) (0:42)
Question 26 (level 3) (1:11)
Question 27 (level 4) (1:48)
Question 28 (level 3) (0:53)
Question 29 (level 3) (1:13)
Question 30 (level 3) (1:10)
Question 31 (level 3) (1:00)
Question 32 (level 4) (1:18)
Question 33 (level 4) (0:42)
Question 34 (level 4) (2:09)
Question 35 (level 4) (2:08)
Chapter 9 - Part 1: Practice Question Explanations (pp. 73-75)
Question 1 (level 1) (0:40)
Question 2 (level 1) (0:21)
Question 3 (level 1) (0:42)
Question 4 (level 1) (0:58)
Question 5 (level 1) (0:38)
Question 6 (level 2) (0:56)
Question 7 (level 1) (0:40)
Question 8 (level 1) (0:24)
Question 9 (level 1) (0:33)
Question 10 (level 2) (0:53)
Question 11 (level 1) (0:42)
Question 12 (level 2) (1:03)
Question 13 (level 4) (2:08)
Question 14 (level 4) (2:57)
Question 15 (level 3) (2:38)
Chapter 9 - Part 2: Practice Question Explanations (pp. 77-81)
Question 1 (level 1) (1:28)
Question 2 (level 1) (1:20)
Question 3 (level 1) (1:29)
Question 4 (level 1) (0:50)
Question 5 (level 1) (0:43)
Question 6 (level 2) (1:23)
Question 7 (level 2) (1:28)
Question 8 (level 1) (0:53)
Question 9 (level 1) (0:58)
Question 10 (level 2) (1:06)
Question 11 (level 2) (1:36)
Question 12 (level 1) (0:46)
Question 13 (level 2) (1:22)
Question 14 (level 2) (1:23)
Question 15 (level 3) (2:29)
Question 16 (level 2) (1:18)
Question 17 (level 2) (0:58)
Question 18 (level 2) (1:46)
Question 19 (level 1) (1:02)
Question 20 (level 3) (2:23)
Question 21 (level 3) (2:58)
Question 22 (level 3) (1:27)
Question 23 (level 3) (2:00)
Question 24 (level 4) (1:55)
Question 25 (level 4) (3:11)
Question 26 (level 4) (2:36)
Question 27 (level 4) (4:49)
Question 28 (level 4) (2:01)
Chapter 10 - Practice Question Explanations (pp. 85-88)
Question 1 (level 1) (0:15)
Question 2 (level 1) (0:36)
Question 3 (level 1) (0:39)
Question 4 (level 1) (0:53)
Question 5 (level 1) (0:41)
Question 6 (level 1) (0:56)
Question 7 (level 1) (0:50)
Question 8 (level 2) (1:23)
Question 9 (level 1) (1:10)
Question 10 (level 3) (0:43)
Question 11 (level 2) (0:48)
Question 12 (level 2) (1:16)
Question 13 (level 2) (1:05)
Question 14 (level 2) (1:29)
Question 15 (level 2) (1:13)
Question 16 (level 2) (1:00)
Question 17 (level 2) (1:25)
Question 18 (level 2) (1:41)
Question 19 (level 3) (1:39)
Question 20 (level 2) (1:07)
Question 21 (level 2) (0:59)
Question 22 (level 3) (1:00)
Question 23 (level 3) (1:29)
Question 24 (level 3) (0:57)
Question 25 (level 3) (1:48)
Question 26 (level 4) (1:05)
Question 27 (level 4) (1:32)
Question 28 (level 4) (2:03)
Chapter 11 - Practice Question Explanations (pp. 97-101)
Question 1 (level 1) (0:24)
Question 25 (level 1) (0:53)
Question 26 (level 1) (0:36)
Question 27 (level 1) (0:36)
Question 28 (level 1) (1:09)
Question 29 (level 1) (0:48)
Question 30 (level 1) (0:19)
Question 31 (level 2) (0:39)
Question 32 (level 2) (0:47)
Question 33 (level 2) (1:13)
Question 34 (level 2) (1:00)
Question 35 (level 2) (1:06)
Question 36 (level 3) (1:04)
Question 37 (level 2) (0:29)
Question 38 (level 2) (0:50)
Question 39 (level 3) (0:36)
Question 40 (level 3) (0:41)
Question 41 (level 3) (0:43)
Question 42 (level 2) (0:44)
Question 43 (level 3) (1:17)
Question 44 (level 3) (1:51)
Question 45 (level 3) (1:02)
Question 46 (level 3) (1:24)
Question 47 (level 2) (1:10)
Question 48 (level 3) (0:25)
Question 49 (level 3) (1:01)
Question 50 (level 4) (1:07)
Question 51 (level 3) (1:34)
Question 52 (level 4) (0:59)
Question 53 (level 4) (3:20)
Question 54 (level 3) (1:56)
Question 55 (level 4) (2:17)
Question 56 (level 4) (1:41)
Question 57 (level 4) (1:52)
Question 58 (level 4) (2:36)
Question 59 (level 4) (1:05)
Question 60 (level 4) (1:40)
Chapter 12 - Practice Question Explanations (pp. 107-111)
Question 1 (level 1) (1:25)
Question 2 (level 1) (0:30)
Question 3 (level 1) (1:29)
Question 4 (level 1) (1:02)
Question 5 (level 2) (0:33)
Question 6 (level 2) (0:44)
Question 7 (level 3) (2:58)
Question 8 (level 2) (1:06)
Question 9 (level 1) (1:42)
Question 10 (level 1) (1:05)
Question 11 (level 2) (1:05)
Question 12 (level 2) (1:21)
Question 13 (level 2) (1:32)
Question 14 (level 2) (0:53)
Question 15 (level 2) (0:42)
Question 16 (level 3) (2:13)
Question 17 (level 2) (0:55)
Question 18 (level 3) (1:52)
Question 19 (level 3) (1:22)
Question 20 (level 2) (1:00)
Question 21 (level 2) (0:52)
Question 22 (level 3) (0:53)
Question 23 (level 3) (1:24)
Question 24 (level 3) (1:30)
Question 25 (level 3) (2:04)
Question 26 (level 3) (1:15)
Question 27 (level 3) (2:06)
Question 28 (level 4) (1:33)
Question 29 (level 4) (2:16)
Question 30 (level 3) (0:57)
Question 31 (level 4) (1:37)
Question 32 (level 4) (1:19)
Question 33 (level 3) (3:07)
Question 34 (level 4) (2:33)
Question 35 (level 4) (3:03)
Question 36 (level 4) (2:05)
Chapter 13: Practice Question Explanations (pp. 117-122)
Question 1 (level 1) (0:18)
Question 2 (level 1) (1:01)
Question 3 (level 1) (0:26)
Question 4 (level 1) (0:35)
Question 5 (level 2) (0:38)
Question 6 (level 1) (0:24)
Question 7 (level 1) (0:41)
Question 8 (level 2) (2:06)
Question 9 (level 2) (0:40)
Question 10 (level 1) (1:45)
Question 11 (level 2) (0:41)
Question 12 (level 2) (1:30)
Question 13 (level 2) (0:52)
Question 14 (level 2) (1:00)
Question 15 (level 1) (0:24)
Question 16 (level 1) (1:11)
Question 17 (level 1) (0:48)
Question 18 (level 2) (1:37)
Question 19 (level 2) (1:21)
Question 20 (level 3) (0:41)
Question 21 (level 3) (2:28)
Question 22 (level 2) (1:12)
Question 23 (level 4) (0:27)
Question 24 (level 3) (0:50)
Question 25 (level 3) (1:37)
Question 26 (level 3) (2:13)
Question 27 (level 3) (1:25)
Question 28 (level 3) (2:24)
Question 29 (level 4) (2:27)
Question 30 (level 3) (1:00)
Question 31 (level 4) (1:07)
Question 32 (level 3) (1:29)
Question 33 (level 3) (1:18)
Question 34 (level 4) (1:04)
Question 35 (level 3) (2:21)
Question 36 (level 4) (1:49)
Question 37 (level 4) (3:26)
Question 38 (level 4) (2:18)
Question 39 (level 4) (3:27)
Question 40 (level 4) (1:34)
Question 41 (level 4) (2:36)
Question 42 (level 4) (2:01)
Question 43 (level 4) (3:43)
Question 44 (level 4) (1:10)
Question 45 (level 4) (1:37)
Chapter 14 - Practice Question Explanations (pp. 126-128)
Question 1 (level 2) (0:16)
Question 2 (level 2) (0:24)
Question 3 (level 2) (0:54)
Question 4 (level 2) (0:30)
Question 5 (level 2) (1:06)
Question 6 (level 2) (1:03)
Question 7 (level 2) (0:58)
Question 8 (level 3) (0:33)
Question 9 (level 3) (0:36)
Question 10 (level 3) (1:13)
Question 11 (level 3) (0:26)
Question 12 (level 3) (1:53)
Question 13 (level 3) (0:46)
Question 14 (level 3) (1:12)
Question 15 (level 3) (0:32)
Question 16 (level 4) (1:50)
Question 17 (level 3) (0:43)
Question 18 (level 4) (2:02)
Question 19 (level 3) (0:44)
Question 20 (level 4) (0:44)
Question 21 (level 4) (1:56)
Question 22 (level 3) (1:03)
Question 23 (level 4) (1:54)
Question 24 (level 3) (1:07)
Question 25 (level 4) (3:58)
Question 26 (level 4) (0:49)
Question 27 (level 4) (3:21)
Question 28 (level 4) (2:17)
Question 29 (level 4) (1:29)
Chapter 15 - Practice Question Explanations (pp. 131-134)
Question 1 (level 2) (0:37)
Question 2 (level 2) (0:54)
Question 3 (level 2) (0:41)
Question 4 (level 2) (1:43)
Question 5 (level 2) (2:35)
Question 6 (level 2) (3:05)
Question 7 (level 2) (1:21)
Question 8 (level 2) (1:27)
Question 9 (level 3) (2:01)
Question 10 (level 2) (0:48)
Question 11 (level 2) (2:49)
Question 12 (level 2) (2:51)
Question 13 (level 3) (3:09)
Question 14 (level 2) (0:51)
Question 15 (level 2) (0:49)
Question 16 (level 2) (2:41)
Question 17 (level 3) (4:43)
Question 18 (level 2) (3:10)
Question 19 (level 3) (1:07)
Question 20 (level 2) (1:29)
Question 21 (level 3) (1:31)
Question 22 (level 4) (2:30)
Question 23 (level 3) (4:07)
Question 24 (level 4) (3:59)
Question 25 (level 4) (2:45)
Chapter 16 - Practice Question Explanations (pp. 142-145)
Question 1 (level 1) (1:01)
Question 2 (level 1) (1:30)
Question 3 (level 2) (1:48)
Question 4 (level 1) (1:11)
Question 5 (level 1) (1:09)
Question 6 (level 2) (0:47)
Question 7 (level 2) (0:46)
Question 8 (level 2) (3:42)
Question 9 (level 1) (0:37)
Question 10 (level 2) (2:14)
Question 11 (level 2) (1:00)
Question 12 (level 2) (0:41)
Question 13 (level 3) (0:39)
Question 14 (level 3) (0:48)
Question 15 (level 3) (1:45)
Question 16 (level 2) (2:25)
Question 17 (level 2) (3:38)
Question 18 (level 3) (2:12)
Question 19 (level 4) (3:27)
Question 20 (level 3) (0:54)
Question 21 (level 2) (1:37)
Question 22 (level 2) (1:26)
Question 23 (level 2) (3:22)
Question 24 (level 4) (2:01)
Question 25 (level 3) (3:49)
Question 26 (level 4) (1:36)
Question 27 (level 2) (1:29)
Question 28 (level 4) (4:18)
Question 29 (level 4) (1:55)
Question 30 (level 4) (1:22)
Chapter 17 - Practice Question Explanations (pp. 164-172)
Question 1 (level 1) (0:16)
Question 2 (level 1) (0:37)
Question 3 (level 1) (0:47)
Question 4 (level 2) (1:07)
Question 5 (level 2) (1:08)
Question 6 (level 2) (0:37)
Question 7 (level 2) (0:55)
Question 8 (level 2) (0:38)
Question 9 (level 1) (1:10)
Question 10 (level 3) (0:24)
Question 11 (level 2) (1:47)
Question 12 (level 2) (0:17)
Question 13 (level 2) (1:28)
Question 14 (level 3) (0:23)
Question 15 (level 2) (0:25)
Question 16 (level 3) (2:33)
Question 17 (level 2) (0:36)
Question 18 (level 3) (1:02)
Question 19 (level 3) (2:43)
Question 20 (level 3) (2:09)
Question 21 (level 3) (0:48)
Question 22 (level 4) (1:18)
Question 23 (level 3) (1:36)
Question 24 (level 3) (1:34)
Question 25 (level 3) (1:07)
Question 26 (level 3) (1:46)
Question 27 (level 3) (1:15)
Question 28 (level 4) (1:41)
Question 29 (level 4) (2:00)
Question 30 (level 3) (2:42)
Question 31 (level 3) (1:32)
Question 32 (level 4) (1:34)
Question 33 (level 3) (0:50)
Question 34 (level 4) (1:39)
Question 35 (level 3) (2:50)
Question 36 (level 4) (2:53)
Question 37 (level 4) (3:02)
Question 38 (level 3) (1:27)
Question 39 (level 4) (1:59)
Question 40 (level 4) (2:30)
Question 41 (level 4) (0:51)
Question 42 (level 4) (1:08)
Question 43 (level 4) (1:48)
Question 44 (level 4) (1:33)
Question 45 (level 4) (4:13)
Question 46 (level 4) (1:49)
Chapter 18 - Practice Question Explanations (pp. 176-178)
Question 1 (level 1) (0:17)
Question 2 (level 1) (0:16)
Question 3 (level 1) (0:30)
Question 4 (level 2) (0:35)
Question 5 (level 2) (1:04)
Question 6 (level 1) (0:38)
Question 7 (level 3) (0:48)
Question 8 (level 2) (0:48)
Question 9 (level 2) (1:11)
Question 10 (level 3) (1:07)
Question 11 (level 3) (2:10)
Question 12 (level 3) (2:12)
Question 13 (level 3) (1:07)
Question 14 (level 4) (2:04)
Question 15 (level 3) (1:52)
Question 16 (level 4) (1:34)
Question 17 (level 3) (0:56)
Question 18 (level 3) (0:44)
Question 19 (level 3) (2:07)
Question 20 (level 3) (0:49)
Question 21 (level 4) (2:35)
Question 22 (level 4) (1:37)
Question 23 (level 4) (2:44)
Question 24 (level 4) (2:42)
Chapter 19 - Practice Question Explanations (pp. 187-190)
Question 1 (level 1) (0:39)
Question 2 (level 1) (0:51)
Question 3 (level 1) (0:31)
Question 4 (level 1) (0:34)
Question 5 (level 2) (0:34)
Question 6 (level 1) (0:57)
Question 7 (level 1) (1:12)
Question 8 (level 2) (0:23)
Question 9 (level 3) (1:02)
Question 10 (level 2) (0:31)
Question 11 (level 3) (2:29)
Question 12 (level 3) (0:25)
Question 13 (level 2) (0:41)
Question 14 (level 4) (1:54)
Question 15 (level 3) (1:00)
Question 16 (level 3) (1:27)
Question 17 (level 3) (0:39)
Question 18 (level 4) (1:45)
Question 19 (level 4) (2:43)
Question 20 (level 4) (2:18)
Question 21 (level 3) (1:19)
Question 22 (level 4) (1:12)
Question 23 (level 4) (1:40)
Chapter 20 - Practice Question Explanations (pp. 195-197)
Question 1 (level 2) (0:31)
Question 2 (level 2) (1:05)
Question 3 (level 3) (0:59)
Question 4 (level 2) (0:56)
Question 5 (level 2) (0:37)
Question 6 (level 2) (1:15)
Question 7 (level 2) (0:40)
Question 8 (level 3) (1:02)
Question 9 (level 2) (1:06)
Question 10 (level 3) (1:27)
Question 11 (level 2) (1:11)
Question 12 (level 3) (0:37)
Question 13 (level 3) (1:45)
Question 14 (level 3) (1:05)
Question 15 (level 3) (1:45)
Question 16 (level 4) (1:04)
Question 17 (level 4) (1:53)
Question 18 (level 2) (1:19)
Question 19 (level 4) (2:20)
Question 20 (level 4) (1:18)
Chapter 21 - Practice Questions Explanations (pp. 206-209)
Question 1 (level 1) (0:25)
Question 2 (level 1) (0:25)
Question 3 (level 1) (0:41)
Question 4 (level 1) (0:31)
Question 5 (level 2) (2:22)
Question 6 (level 1) (0:40)
Question 7 (level 2) (0:54)
Question 8 (level 2) (0:46)
Question 9 (level 2) (1:08)
Question 10 (level 2) (1:20)
Question 11 (level 2) (1:14)
Question 12 (level 2) (1:11)
Question 13 (level 4) (1:24)
Question 14 (level 4) (2:40)
Question 15 (level 2) (1:16)
Question 16 (level 3) (0:46)
Question 17 (level 4) (1:29)
Question 18 (level 3) (1:51)
Question 19 (level 3) (0:23)
Question 20 (level 3) (2:14)
Question 21 (level 4) (1:50)
Question 22 (level 4) (2:43)
Question 23 (level 4) (1:40)
Question 24 (level 4) (3:44)
Question 25 (level 4) (4:02)
Question 26 (level 3) (1:44)
Question 27 (level 4) (3:32)
Question 28 (level 4) (2:31)
Question 29 (level 4) (2:29)
Chapter 22 - Practice Question Explanations (pp. 218-223)
Question 1 (level 1) (0:37)
Question 2 (level 1) (0:38)
Question 4 (level 1) (0:35)
Question 5 (level 1) (0:40)
Question 6 (level 1) (2:42)
Question 7 (level 1) (1:14)
Question 8 (level 1) (0:29)
Question 9 (level 2) (1:33)
Question 10 (level 2) (0:48)
Question 11 (level 2) (0:36)
Question 12 (level 2) (1:08)
Question 13 (level 2) (0:51)
Question 14 (level 1) (0:28)
Question 15 (level 2) (1:08)
Question 16 (level 2) (0:37)
Question 17 (level 3) (1:10)
Question 18 (level 4) (2:16)
Question 19 (level 3) (1:53)
Question 20 (level 2) (0:54)
Question 21 (level 3) (1:29)
Question 22 (level 3) (0:59)
Question 23 (level 3) (1:51)
Question 24 (level 3) (1:39)
Question 25 (level 4) (1:00)
Question 26 (level 4) (2:10)
Question 27 (level 3) (0:45)
Question 28 (level 3) (1:58)
Question 29 (level 3) (1:20)
Question 30 (level 4) (2:29)
Question 31 (level 3) (1:21)
Question 32 (level 4) (2:18)
Question 33 (level 4) (2:12)
Question 34 (level 4) (1:28)
Question 35 (level 4) (1:08)
Chapter 23 - Practice Question Explanations (pp. 230-234)
Question 1 (level 1) (0:28)
Question 2 (level 1) (0:20)
Question 3 (level 2) (0:40)
Question 4 (level 3) (0:36)
Question 5 (level 2) (2:05)
Question 6 (level 2) (0:46)
Question 7 (level 3) (1:03)
Question 8 (level 2) (1:11)
Question 9 (level 3) (1:19)
Question 10 (level 2) (0:43)
Question 11 (level 2) (1:04)
Question 12 (level 3) (1:24)
Question 13 (level 4) (1:18)
Question 14 (level 2) (1:10)
Question 15 (level 2) (1:10)
Question 16 (level 3) (0:40)
Question 17 (level 3) (1:14)
Question 18 (level 4) (0:55)
Question 19 (level 3) (0:43)
Question 20 (level 4) (2:15)
Question 21 (level 4) (1:43)
Question 22 (level 4) (2:54)
Question 23 (level 4) (6:00)
Question 24 (level 4) (1:37)
Question 25 (level 4) (1:51)
Question 26 (level 4) (1:54)
Question 27 (level 4) (1:06)
Question 28 (level 4) (2:11)
Question 29 (level 4) (2:44)
Question 30 (level 4) (6:00)
Question 31 (level 4) (2:40)
Chapter 24 - Practice Question Explanations (pp. 239-240)
Question 1 (level 1) (0:27)
Question 2 (level 1) (0:37)
Question 3 (level 1) (0:14)
Question 4 (level 2) (1:37)
Question 5 (level 2) (1:31)
Question 6 (level 1) (0:57)
Question 7 (level 2) (1:29)
Question 8 (level 3) (1:07)
Question 9 (level 3) (1:00)
Question 10 (level 2) (1:14)
Question 11 (level 3) (0:52)
Question 12 (level 3) (1:17)
Question 13 (level 4) (0:52)
Question 14 (level 3) (1:10)
Question 15 (level 4) (1:40)
Question 16 (level 4) (1:03)
Question 17 (level 4) (1:18)
Chapter 25 - Practice Question Explanations (pp. 246-249)
Question 1 (level 1) (0:47)
Question 2 (level 1) (0:15)
Question 3 (level 1) (0:15)
Question 4 (level 1) (0:30)
Question 5 (level 1) (0:29)
Question 6 (level 1) (0:43)
Question 7 (level 1) (0:41)
Question 8 (level 1) (0:59)
Question 9 (level 2) (1:44)
Question 10 (level 2) (1:18)
Question 11 (level 4) (2:16)
Question 12 (level 4) (2:37)
Question 13 (level 2) (1:05)
Question 14 (level 2) (1:09)
Question 15 (level 3) (0:35)
Question 16 (level 4) (2:02)
Question 17 (level 3) (0:31)
Question 18 (level 3) (1:16)
Question 19 (level 3) (0:56)
Question 20 (level 4) (1:07)
Question 21 (level 4) (3:09)
Question 22 (level 3) (0:24)
Question 23 (level 3) (1:13)
Question 24 (level 3) (3:25)
Question 25 (level 4) (2:35)
Question 26 (level 2) (1:48)
Question 27 (level 4) (2:15)
Question 28 (level 4) (2:13)
Chapter 26 - Practice Question Explanations (pp. 251-255)
Question 1 (level 1) (0:20)
Question 2 (level 1) (0:42)
Question 3 (level 2) (0:51)
Question 4 (level 2) (1:07)
Question 5 (level 1) (0:42)
Question 6 (level 2) (0:50)
Question 7 (level 2) (1:06)
Question 8 (level 2) (1:22)
Question 9 (level 2) (1:02)
Question 10 (level 2) (0:54)
Question 11 (level 2) (0:58)
Question 12 (level 2) (0:35)
Question 13 (level 2) (0:50)
Question 14 (level 2) (1:03)
Question 15 (level 2) (1:59)
Question 16 (level 2) (1:01)
Question 17 (level 2) (3:07)
Question 18 (level 2) (0:40)
Question 19 (level 3) (0:50)
Question 20 (level 3) (1:08)
Question 21 (level 4) (1:06)
Question 22 (level 4) (1:47)
Question 23 (level 3) (2:05)
Question 24 (level 4) (1:27)
Question 25 (level 3) (2:25)
Question 26 (level 4) (3:21)
Question 27 (level 4) (1:12)
Question 28 (level 4) (6:07)
Chapter 27 - Practice Question Explanations (pp. 261-263)
Question 1 (level 1) (0:40)
Question 2 (level 1) (0:16)
Question 3 (level 1) (0:44)
Question 4 (level 1) (0:58)
Question 5 (level 1) (0:40)
Question 6 (level 2) (1:21)
Question 7 (level 2) (0:48)
Question 8 (level 2) (0:52)
Question 9 (level 3) (0:46)
Question 10 (level 2) (0:40)
Question 11 (level 2) (0:35)
Question 12 (level 3) (1:35)
Question 13 (level 2) (1:09)
Question 14 (level 3) (0:49)
Question 15 (level 4) (2:25)
Question 16 (level 3) (0:53)
Question 17 (level 4) (0:27)
Question 18 (level 4) (1:42)
Question 19 (level 4) (0:34)
Question 20 (level 4) (2:28)
Question 21 (level 4) (0:33)
Question 22 (level 4) (1:02)
Question 23 (level 4) (2:33)
Chapter 28 - Practice Question Explanations (pp. 268-270)
Question 1 (level 2) (0:21)
Question 2 (level 2) (0:48)
Question 3 (level 2) (0:22)
Question 4 (level 2) (0:30)
Question 5 (level 2) (0:32)
Question 6 (level 2) (2:03)
Question 7 (level 3) (1:19)
Question 8 (level 3) (0:53)
Question 9 (level 4) (0:53)
Question 10 (level 3) (0:50)
Question 11 (level 4) (2:18)
Question 12 (level 4) (1:51)
Question 13 (level 4) (0:57)
Question 14 (level 4) (5:32)
Chapter 29 - Practice Question Explanations (pp. 274-276)
Question 1 (level 1) (0:33)
Question 2 (level 1) (0:52)
Question 3 (level 1) (0:54)
Question 4 (level 1) (0:37)
Question 5 (level 1) (1:03)
Question 6 (level 1) (1:15)
Question 7 (level 1) (0:45)
Question 8 (level 2) (1:00)
Question 9 (level 2) (1:04)
Question 10 (level 2) (0:57)
Question 11 (level 1) (1:31)
Question 12 (level 2) (1:07)
Question 13 (level 2) (1:39)
Question 14 (level 2) (1:39)
Question 15 (level 2) (1:26)
Question 16 (level 3) (1:36)
Question 17 (level 3) (3:23)
Question 18 (level 3) (0:50)
Question 19 (level 2) (1:42)
Question 20 (level 3) (0:41)
Question 21 (level 3) (1:01)
Question 22 (level 3) (1:06)
Question 23 (level 4) (1:35)
Question 24 (level 4) (4:12)
Chapter 30 - Practice Question Explanations (pp. 278-279)
Question 1 (level 1) (0:31)
Question 2 (level 1) (0:54)
Question 3 (level 2) (1:09)
Question 4 (level 2) (1:49)
Question 5 (level 2) (0:21)
Question 6 (level 2) (0:47)
Question 7 (level 2) (0:50)
Question 8 (level 2) (0:42)
Question 9 (level 2) (1:13)
Question 10 (level 3) (0:52)
Question 11 (level 2) (0:42)
Question 12 (level 2) (1:31)
Question 13 (level 2) (1:11)
Question 14 (level 3) (1:04)
Question 15 (level 4) (1:21)
Question 16 (level 4) (1:08)
Chapter 31 - Practice Question Explanations (pp. 282-284)
Question 1 (level 2) (0:36)
Question 2 (level 2) (0:51)
Question 3 (level 2) (0:33)
Question 4 (level 2) (1:00)
Question 5 (level 2) (1:00)
Question 6 (level 2) (1:03)
Question 7 (level 2) (1:00)
Question 8 (level 2) (1:41)
Question 9 (level 3) (2:14)
Question 10 (level 2) (0:48)
Question 11 (level 4) (2:28)
Question 12 (level 2) (2:04)
Question 13 (level 3) (1:26)
Question 14 (level 3) (2:05)
Question 15 (level 4) (1:45)
Question 16 (level 4) (1:28)
Chapter 32 - Practice Question Explanations (pp. 288-290)
Question 1 (level 1) (0:19)
Question 2 (level 1) (0:15)
Question 3 (level 1) (0:36)
Question 4 (level 1) (0:57)
Question 5 (level 1) (1:15)
Question 6 (level 1) (0:16)
Question 7 (level 2) (0:23)
Question 8 (level 3) (1:10)
Question 9 (level 2) (0:45)
Question 10 (level 3) (1:02)
Question 11 (level 4) (1:53)
Question 12 (level 3) (0:27)
Question 13 (level 4) (2:53)
Question 14 (level 4) (0:40)
Question 15 (level 4) (1:05)
Chapter 33 - Practice Question Explanations (pp. 294-295)
Question 1 (level 2) (0:44)
Question 2 (level 2) (0:33)
Question 3 (level 2) (0:20)
Question 4 (level 3) (0:41)
Question 5 (level 3) (0:47)
Question 6 (level 3) (0:31)
Question 7 (level 2) (0:29)
Question 8 (level 4) (1:03)
Question 9 (level 2) (0:49)
Question 10 (level 2) (0:56)
Question 11 (level 3) (0:57)
Question 12 (level 4) (2:08)
Chapter 34 - Practice Question Explanations (pp. 302-304)
Question 1 (level 2) (0:21)
Question 2 (level 2) (0:22)
Question 3 (level 3) (0:44)
Question 4 (level 2) (0:12)
Question 5 (level 2) (0:27)
Question 6 (level 2) (0:53)
Question 7 (level 2) (0:24)
Question 8 (level 2) (0:29)
Question 9 (level 3) (0:46)
Question 10 (level 2) (0:36)
Question 11 (level 3) (0:37)
Question 12 (level 3) (1:01)
Question 13 (level 4) (0:14)
Question 14 (level 3) (0:46)
Question 15 (level 4) (1:10)
Question 16 (level 4) (1:03)
Question 17 (level 4) (1:05)
Question 18 (level 4) (1:25)
Chapter 35 - Practice Question Explanations (pp. 316-320)
Question 1 (level 2) (0:35)
Question 2 (level 2) (0:18)
Question 3 (level 1) (0:37)
Question 4 (level 2) (0:50)
Question 5 (level 3) (0:53)
Question 6 (level 2) (1:05)
Question 7 (level 2) (1:11)
Question 8 (level 3) (0:31)
Question 9 (level 2) (0:58)
Question 10 (level 3) (0:48)
Question 11 (level 4) (0:21)
Question 12 (level 3) (1:20)
Question 13 (level 2) (0:51)
Question 14 (level 3) (0:51)
Question 15 (level 3) (1:09)
Question 16 (level 2) (1:15)
Question 17 (level 2) (0:50)
Question 18 (level 2) (1:20)
Question 19 (level 2) (0:52)
Question 20 (level 4) (2:15)
Question 21 (level 3) (0:36)
Question 22 (level 3) (0:52)
Question 23 (level 4) (0:44)
Question 24 (level 4) (1:21)
Question 25 (level 4) (2:47)
Question 26 (level 3) (0:58)
Question 27 (level 4) (1:59)
Question 28 (level 4) (0:59)
Question 29 (level 4) (1:46)
Question 30 (level 4) (1:37)
Question 31 (level 4) (2:57)
Question 32 (level 4) (1:40)
Question 33 (level 4) (1:11)
Question 34 (level 4) (1:09)
Question 14 (level 1)
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