Homework 15

Complete the following problems:

9.1 (9.1), 9.3 (9.3), 9.4 (9.4)

9.37 (9.26), 9.38 (9.27), 9.40 (9.30), 9.44 (9.31), 9.49 (9.32)

9.18 (9.11), 9.20 (9.13), 9.31 (9.22), 9.41 (9.25), 9.42 (9.29)

9.51 (9.34), 9.55 (9.36), 9.56 (9.37)