2nd Semester Test Extra Credit Answer Key
Show work for +10 pts extra credit on the semester test!
pp.395-396
17. A 18. G
19. B 20. G 21. 21 22.
11.2 23. 9.6 24. 20 25.
202 - 180 = 22 sit-ups
26. a. 2,4; 2, 5; 2,9; 6,4; 6,5; 6,9;
7,4; 7,5; 7,9
b. 4/9
c. Increase. There are 4*3=12 outcomes. There are
6 outcomes in all corresponding to an even sum.
The new probability is 6/12 = 1/2, which is greater than 4/9.
27. C
28.
G
29. B
30. H
31. $21.78
pp.604-606
1. B
2. H
3. C
4.
G
5. B
6. G
7. C
8. -6
9. -1/3
12. B
13. H
14. B
15.
F 16.
D
17. I 18.
B
19.
F
20.
C
21. 30 cm
22. C
25. B
26. H
27. A
28. I
29. B