An assorted collection of problems from the textbook, all of which I would expect you to be able to do. You may find it helpful during your revision to look at these. The answers are in the back of the book.
2.4:7,17,63 2.5:5,7,35 2.6:17,21 2.7:23,35,61 2.8:2 3.2:11,19,29 3.3:7,27 3.4:11 4.1:3,15 4.2:5,31 4.3:3,21 4.4:3,11 4.6:13,39 5.1:23 5.2:5,15 5.3:1,5,17 5.4:3,5,7 (don't worry about "star-shaped"), 13,21 6.2:11,17,23 6.3:13,19 6.4:1,11,15,27 6.5:9 7.1:1,13,27 7.3:21 7.4:9,17,23 8.2:7,17,19 8.3:1,11,13