Exercises for February 20

From Fraleigh: Abstract Algebra: 

6:   17 - 21, 22 - 24, 50, 52

8:   6 - 9, 11 - 13, 18, 19, 27

9:   1 - 6, 10 - 13, 34, 39

11: 16, 23, 39, 52

13: 16 - 22, 25 - 27, 47, 50

14: 1 - 6, 27, 28, 33, 34, 37, 39