This document contains a series of questions and short answer responses. The answers provided include single letters, numbers, and simple statements indicating variables or combinations of variables.

1. ANSWER: B
ANSWER: D
ANSWER: C

2. ANSWER: C
ANSWER: D

3. ANSWER: A
ANSWER: 6
ANSWER: 3
ANSWER: 2
ANSWER: 7

4. ANSWER: 2

5. ANSWER: B

6. ANSWER: A
ANSWER: D

7. ANSWER: B
ANSWER: C
ANSWER: B
ANSWER: A: r and s
B: t
C: p and q
D: r

8. ANSWER: A: p and s
B: p and q and r and t
C: p and q
D: p
ANSWER: D
ANSWER: D

9. ANSWER: B
ANSWER: A
ANSWER: B
ANSWER: C

10. ANSWER: 3
ANSWER: 3
ANSWER: 1
ANSWER: 0

11. ANSWER: 4
ANSWER: C
ANSWER: A

12. ANSWER: B
ANSWER: D
ANSWER: C

13. ANSWER: A
ANSWER: A: q and r
B: p
C: p and s and t
D: q and r and s and t

14. ANSWER: A: t
B: p and r
C: either q or (q and s)
D: r

15. ANSWER: D
ANSWER: B
ANSWER: B

16. ANSWER: C
ANSWER: D

17. ANSWER: A
ANSWER: 4
ANSWER: 2
ANSWER: 3

18. ANSWER: 6
ANSWER: 8
ANSWER: C

19. ANSWER: A
ANSWER: B
ANSWER: D

20. ANSWER: B
ANSWER: C

21. ANSWER: A: p and r
B: q and s and t
C: p and r and t
D: q and s

22. ANSWER: A: r and s and t
B: q and r and s and t
C: p and q
D: q and r and s and t
********************************************