ch 4.2 p. 222 #4, 5, 6
ch 4.3 p. 235 #1, 2
ch 4.2 p. 222 #16, 18
ch 4.3 p. 235 #4, 5

(the reason the questions are broken up strangely is to keep the level of difficultly increasing, and not throwing questions that are too difficult into the early stages)