15 Chapter 3, Laplace transform. Section 3.2.1 Initial value problems. Exercises page 156

15.1 problem 6(a)
15.2 problem 6(b)
15.3 problem 6(c)
15.4 problem 6(d)
15.5 problem 6(e)
15.6 problem 6(f)
15.7 problem 6(g)
15.8 problem 6(h)
15.9 problem 6(i)
15.10 problem 6(j)
15.11 problem 11
15.12 problem 12
15.13 problem 14
15.14 problem 15