Chapter 7, Lesson 1 – Exercise 1 Chapter 7, Lesson 1 – Exercise 4ABC Chapter 7, Lesson 1 – Exercise 7 Chapter 7, Lesson 1 – Exercise 8AB Chapter 7, Lesson 1 – Exercise 10 Chapter 7, Lesson 2 – Exercise 2AB Chapter 7, Lesson 2 – Exercise 4 Chapter 7, Lesson 2 – Exercise 5ABD Chapter 7, Lesson 2 – Exercise 8AB Chapter 7, Lesson 2 – Exercise 9 Chapter 7, Lesson 3 – Exercise 1A Chapter 7, Lesson 3 – Exercise 1C (1 of 3) Chapter 7, Lesson 3 – Exercise 1C (2 of 3) Chapter 7, Lesson 3 – Exercise 1C (3 of 3) Chapter 7, Lesson 3 – Exercise 3 Chapter 7, Lesson 3 – Exercise 5 Chapter 7, Lesson 3 – Exercise 8