CISC401/601 homework assugnment 7.

Each problerm is worth 10 points.

1. CISC 401 students: Exercise 2, page 265.
   CISC 601 students: Exercise 6, page 265.
2. Exercise 2, page 279.
3. Exercise 3, page 279.
4. Exercise 8, page 280.
5. Exercise 2, page 284.