Chapter 4

I. Complete the following 11 problems:

  1. Exercise 4-8, p. 136
  2. Exercise 4-9, p. 136
  3. Exercise 4-15, p. 140
  4. Exercise 4-20, p. 141
  5. Exercise 4-21, p. 141
  6. Exercise 4-28, p. 146
  7. Exercise 4-30, p. 147
  8. Exercise 4-34, p. 147
  9. Exercise 4-39, p. 148
  10. Exercise 4-48, p. 151
  11. Exercise 4-49, p. 152