0 points: Chapter 7, section 3: Exercise 0

0 points: Chapter 7, section 3: Exercise 1

2 points: Chapter 7, section 3: Exercise 2

0 points: Chapter 7, section 3: Exercise 3

0 points: Chapter 7, section 3: Exercise 4

2 points: Chapter 7, section 3: Exercise 5

0 points: Chapter 8, section 0: Exercise 0

0 points: Chapter 8, section 0: Exercise 1

0 points: Chapter 8, section 0: Exercise 2

2 points: Chapter 8, section 0: Exercise 3

2 points: Chapter 8, section 0: Exercise 4