11.1:Quick Check 1-4, Excercises 1-43 odd, 47, 49

11.2:Quick Check 1-4, Excercises 1-51 odd, 55, 57

11.3:Quick Check 1-5, Excercises 1, 3, 7-15 odd, 19, 25-31 odd, 39

11.4:Quick Check 1-4, Excercises 3, 5, 11-31 odd, 37

11.5:Quick Check 1-4, Excercises 1-39 odd, 43-49 odd, 55, 57

11.6:Quick Check 1-5, Excercises 1-51 odd

12.1:Quick Check 1-4, Excercises 1-23 odd, 31-35 odd, 47

12.2:Quick Check 1-4, Excercises 1-11 odd, 15-27 odd, 31-39 odd, 45-51 odd

12.3:Excercises 1-11 odd, 21-27 odd, 41, 43

12.4:Excercises 1, 5-15 odd

12.5:Excercises 1, 5

12.6:Excercises 1-13 odd, 17-21 odd, 29-33 odd

13.1:Quick Check 1-4, Excercises 1-9 odd, 13-23 odd, 29-49 odd, 53-61 odd

13.3:Quick Check 1-4, Excercises 1-43 odd, 47-57 odd, 61, 83-91 all

13.5:Quick Check 1-4, Excercises 1-11 odd, 17-27

13.6:Quick Check 1, 4, Excercises 33-59 odd, 67, 69, 81

13.7:Quick Check 1-4, Excercises 3-15 odd, 25