Practice Exercise 1.3

Practice Exercise 1.6

Practice Exercise 1.7

Practice Exercise 3.1

Practice Exercise 3.2

Practice Exercise 3.3

Practice Exercise 3.4

Practice Exercise 3.5

Practice Exercise 4.2

Practice Exercise 4.4

Practice Exercise 4.5

Practice Exercise 5.1

Practice Exercise 5.2

Practice Exercise 5.3

Practice Exercise 5.4

Practice Exercise 6.2

Practice Exercise 6.3

Practice Exercise 6.4

Practice Exercise 7.2

Practice Exercise 7.3

Practice Exercise 7.4

Practice Exercise 7.5

Practice Exercise 7.6

Practice Exercise 8.1

Practice Exercise 8.2

Practice Exercise 8.3

Practice Exercise 8.4

Practice Exercise 8.6