help with math problems 1

Exercise Set 3.5 Pages 285-286 Problems: 2, 6, 22, 28

Exercise Set 3.6 Pages 296-300 Problems: 10, 20, 24, 36

Exercise Set 3.7 Pages 306-308 Problems: 4, 10, 28, 38

Exercise Set 6.1 Pages 505-508 Problems: 26, 48, 64