16.1 problem 24.1 (a)
16.2 problem 24.1 (b)
16.3 problem 24.1 (c)
16.4 problem 24.1 (d)
16.5 problem 24.1 (e)
16.6 problem 24.1 (f)
16.7 problem 24.1 (g)
16.8 problem 24.1 (h)
16.9 problem 24.1 (i)
16.10 problem 24.1 (j)
16.11 problem 24.1 (k)
16.12 problem 24.1 (L)
16.13 problem 24.1 (m)
16.14 problem 24.1 (n)
16.15 problem 24.2 (a)
16.16 problem 24.2 (b)
16.17 problem 24.3 (a)
16.18 problem 24.3 (b)
16.19 problem 24.4 (a)
16.20 problem 24.4 (b)
16.21 problem 24.4 (c)
16.22 problem 24.4 (d)