Problems in bold require full solutions. For the rest of the problems, do as many as you can in 30 minutes.
6.1: 1-8, 11, 13, 15, [17], 18, 23 6.2: 1-9, 13, 16, 18, 25, 31, 35, 37, 41, 53, 55, 67, 72, [77], 81