9.1 problem 14.1 (a)
9.2 problem 14.1 (b)
9.3 problem 14.1 (c)
9.4 problem 14.1 (d)
9.5 problem 14.1 (e)
9.6 problem 14.1 (f)
9.7 problem 14.1 (g)
9.8 problem 14.1 (h)
9.9 problem 14.1 (i)
9.10 problem 14.1 (j)
9.11 problem 14.2 (a)
9.12 problem 14.2 (b)
9.13 problem 14.2 (c)
9.14 problem 14.2 (d)
9.15 problem 14.2 (e)
9.16 problem 14.2 (f)
9.17 problem 14.2 (g)
9.18 problem 14.2 (h)
9.19 problem 14.2 (i)
9.20 problem 14.2 (j)
9.21 problem 14.2 (k)
9.22 problem 14.2 (L)
9.23 problem 14.2 (m)
9.24 problem 14.2 (n)
9.25 problem 14.3 (a)
9.26 problem 14.3 (b)
9.27 problem 14.3 (c)
9.28 problem 14.3 (d)
9.29 problem 14.3 (e)
9.30 problem 14.3 (f)
9.31 problem 14.5 (a)
9.32 problem 14.5 (b)
9.33 problem 14.5 (c)
9.34 problem 14.5 (d)