Chapter 6, Lesson 1 – Exercise 1 Chapter 6, Lesson 1 – Exercise 5 Chapter 6, Lesson 1 – Exercise 7 Chapter 6, Lesson 1 – Exercise 9AB Chapter 6, Lesson 1 – Exercise 12ABC Chapter 6, Lesson 2 – Exercise 6 Chapter 6, Lesson 2 – Exercise 7 Chapter 6, Lesson 2 – Exercise 8AB Chapter 6, Lesson 3 – Exercise 1 Chapter 6, Lesson 3 – Exercise 2 Chapter 6, Lesson 3 – Exercise 3 Chapter 6, Lesson 3 – Exercise 6AB Chapter 6, Review – Exercise 3 Chapter 6, Review – Exercise 4 Chapter 6, Review – Exercise 11B