Overview
Questions:
1.1 Problems: 7, 9, 21-27 odd, 31-41 odd, 45, 47, 53, 55, 61, 63, 71
1.2 Problems: 7-11 odd, 19, 21, 25-29 odd, 35-41 odd, 49, 51
1.3 Problems: 13-29 odd, 37-41 odd, 57-53 odd
1.4 Problems: 11-19 odd, 23-33 odd, 41-49 odd, 53, 57, 59, 67, 77, 79