Chapter 5: 5.1, 5.4, 5.6, 5.13, 5.21, 5.32, 5.40, 5.53, 5.66, 5.85, 5.91
Chapter 6: 6.1,6.9, 6.20, 6.22, 6.37, 6.50, 6.56, 6.69,6.72