Hand in the following questions:
Textbook p. 85
4
9 (a)(b)(d)(f)
12
15 (c)
16 Also give your reason(s).
18(b)(c)
Textbook p. 95
21 (a)(e)
22
Due July 17, 2006, end of the day
You may discuss these questions among yourselves and/or with me. But you must write the answers in your own words.