Section 8.1
Problems 10, 12, 18, 28, 38, 41, 42
Section 8.2
Problems 9, 12, 17, 18
Section 8.3
Problems 4, 10, 19, 20, 21, 22
Section 8.4
Problems 10, 20, 34, 36, 37, 40, 42