self-review questions (page 274)
5.2, 5.4, 5.5, 5.6, 5.8 through 5.13

exercises (page 274-278)
5.2, 5.3, 5.4, 5.5, 5.7 through 5.14, 5.16 through 5.21, 5.23, 5.25, 5.27, 5.30, 5.32