From the textbook: 4.8 #6,7 4.9 #6,15,21,28,33,41,46,50,64,76 5.1 #4,16,18,20 5.2 #8,12,18,30,34,37,44,48,49 5.3 #3,12,15,29,30,32,35,59,63,68 5.4 #11,12,14,18,35,38,39,45,50,62 5.5 #17,24,28,30,32,34,38,40,44,59,60,64,68,82,86