Assigned: March 20, 2000.
Due: March 27, 2000.
Note: Turn homework in class on Due Date. Submissions that are one day
      late will be accepted with a 20% penalty.

1. Ch.9, Ex.9  (5 points)

2. Ch.9, Ex.10 (10 points)

3. Ch.9, Ex.11 (15 points)