Chapter 6.1: 1, 9, 13, 15, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 31, 32, 34, 37 Chapter 6.2: 1, 5, 9, 11, 13, 17, 18, 21 Chapter 7.1: 1, 3, 7, 11, 13, 15, 18, 20, 23