Chapter 5, Lesson 1: Exercise 2ABC Chapter 5, Lesson 1: Exercise 5AB Chapter 5, Lesson 1: Exercise 6AB Chapter 5, Lesson 1: Exercise 7AB Chapter 5, Lesson 1: Exercise 11 Chapter 5, Lesson 2: Exercise 1C Chapter 5, Lesson 2: Exercise 2AB Chapter 5, Lesson 2: Exercise 3AB Chapter 5, Lesson 2: Exercise 4ABC Chapter 5, Lesson 2: Exercise 7 Chapter 5, Lesson 2: Exercise 9AB Chapter 5, Lesson 3: Exercise 4AB Chapter 5, Lesson 3: Exercise 5ABC Chapter 5, Lesson 3: Exercise 6AB Chapter 5, Lesson 3: Exercise 7ABC