Section	Problems
9.1	1, 2, 4, 5, 7-10, 12, 19, 20, 26
9.2	1, 3-7, 12, 13, 19, 20
9.3	1-3, 5, 7-9, 14-17, 25, 27, 31, 42
9.4	1, 2, 4-8, 13, 27, 36, 40
9.5	1, 3-5, 8-10, 13, 14
10.1	1, 3, 4, 5, 7, 9, 17-21, 24, 27-29, 35, 37, 43
10.2	2, 3, 5, 6, 9, 12, 16, 26, 31, 32, 39-42
10.3	3-5, 8, 10, 21, 23-25, 41, 42
10.4	1, 2, 4, 5, 8-10, 12, 24, 25, 36, 42
10.5	1-4, 9, 14
10.6	1-7, 9, 10, 22, 24, 26, 43
11.1	1, 3, 6, 11, 13, 17, 19, 23, 25-27, 30-32
11.2	4-7, 9, 16, 17, 20-22, 25-35, 37, 40, 42
11.3	1, 2, 8, 9, 11, 12, 14-17, 27-30, 36-41, 53-55
11.4	1-15, 26, 38-40
11.5	1-7, 9-16, 20, 22, 24, 25, 34, 35, 43, 44, 46-48, 63-66
12.1	1-8, 11, 13, 18, 19, 22, 33, 34
12.2	1, 4, 5, 9-11, 13, 14, 35-38
12.3	1-4, 6-8, 13, 15, 21, 22
12.4	2-10, 12, 13b
12.5	1-6, 8, 12, 13