From the textbook: 3.11 #23,34,42 4.1 #5,28,38,44,53,56,60,63,73 4.2 #4,11,15,24 4.3 #2,6,14,32,42,45,61,68 4.4 #4,23,28,30,34,46,52,56,62,66,76 4.5 #62 4.7 #2,12,21,24,34,40,46,69