Homework 1/4-1/8

1/4
p. 507-508 #39-41, 51-53, 63-68, 83

1/8
p. 514-515 #16, 17, 32, 33, 40, 41, 45, 49, 50-52, 55-56

1/10
p. 536-537 #39, 43, 44, 49, 52, 60, 62, 63, 71, 72