p. 215 #1, 2, 3ace, 4ace, 5, 6, 10

p. 229 #1-4 (c only), 7be, 9abc, 13, 14, 17

p. 240 # (1,3,5 ac only) 8, 9, 11, 12

p. 254 # (1, 3, 4 ce only), 8, 9, 10, 16, 19

p. 258 5, 10, 11, 16, 17, 20, 21