p. 404: 14, 16, 18, 20, 29-39
homework help
p. 326: 32-43 all
p. 326: 16, 17, 19, 20, 22, 23, 27, 29
none
p. 309: 16, 18, 20
p. 383: 16, 18
p. 370: 40, 41
p. 953: 43-45
p. 579: 19, 26-28
p. 571: 5,7,8,10,21,22
