Problem Set 1:

12.2, 12.4, 12.6, 12.9, 12.10, 12.13, 12.14, 12.17, 12.27, 12.28, 12.40, 12.42, 12.43, 12.45, 12.50, 12.54

Problem Set 2.

13.1, 13.4, 13.7, 13.9, 13.15, 13.17, 13.21, 13.26, 13.31, 13.33, 13.39, 13.41, 13.45

Problem Set 3.

14.3, 14.5, 14.9, 14.11, 14.16, 14.18, 14.39, 14.32, 14.35, 14.39, 14.44, 14.45, 14.47, 14.52, 14.53, 14.64

Problem Set 4.

20.2, 20.6, 20.8, 20.13, 20.15, 20.16, 20.23, 20.27, 20.30, 20.34, 20.38, 20.41, 20.43, 20.48

Problem Set 5

16.8, 16.9, 16.11, 16.14, 16.17, 16.18, 16.19, 16.23, 16.25, 16.36, 16.37, 16.39, 16.46, 16.48, 16.52, 16.60

Problem Set 6

17.3, 17.4, 17.5, 17.9, 17.11, 17.12, 17.16, 17.19, 17.22, 17.24, 17.25, 17.34, 17.43, 17.44, 17.48, 17.53, 17.58, 17.64, 17.72

 Problem Set 7

18.4, 18.8, 18.9, 18.11, 18.12, 18.16, 18.21, 18.22, 18.27, 18.28, 18.30, 18.33, 18.36, 18.40, 18.41

Problem Set 8

19.2, 19.4, 19.9, 19.12, 19.13, 19.18, 19.24, 19.25, 19.26, 19.28, 19.34, 19.42, 19.44, 19.50, 19.55, 19.59

Problem Set 9

21.2, 21.4, 21.6, 21.7, 21.12, 21.16, 21.20, 21.26, 21.29, 21.30, 21.34, 21.38, 21.44

Problem Set 10

22.3, 22.7, 22.9, 22.11, 22.12, 22.17, 22.20, 22.21, 22.23, 22.24, 22.31, 22.32, 22.39, 22.44