5.21 (a), (b), (d), (f), (g), (i), (j)

5.22 (a), (b), (c), (e), (g)

5.23, 5.26

Due 26 May 2014

5.27 (a) ii, iv

5.29 (a) i, iii; (c)

5.30 (a); (b) ii, iv; (c) i

5.33 (a); (b) ii, iv; (c) ii

5.34

5.36 (a), (b) ii, iv