7 Chapter 6. Laplace Transforms. Problem set 6.3, page 224

  7.1 problem 18
  7.2 problem 19
  7.3 problem 20
  7.4 problem 21
  7.5 problem 22
  7.6 problem 23
  7.7 problem 24
  7.8 problem 25
  7.9 problem 26
  7.10 problem 27