

1. 
The equation where d represents the distance in miles and t is the number of seconds between seeing lightening and hearing thunder, tells how far away a thunderstorm is. How far is it to a thunderstorm if you count 15 seconds between seeing the lightening and hearing the thunder? 


A. 
3 miles 
B. 
10 miles 


C. 
15 miles 
D. 
1 mile 


Hint 


2. 
Evaluate b^{3} + 6 if b = 2. 


A. 
15 
B. 
512 


C. 
14 
D. 
12 


Hint 


3. 
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80? 


A. 
93 
B. 
80 


C. 
100 
D. 
97 


Hint 


4. 
What are the prime factors of 120? 


A. 
2, 60 
B. 
2, 3, 5 


C. 
2, 2, 30 
D. 
2, 2, 2, 3, 5 


Hint 


5. 
Write the prime factorization of 1500. 


A. 
2^{2} × 3 × 5^{3} 
B. 
2^{2} × 3 × 5^{2} × 10^{2} 


C. 
2 × 3 × 5 
D. 
2^{2} × 3 × 5^{2} 


Hint 


6. 
What is the least common multiple of 4, 5, and 16? 


A. 
80 
B. 
160 


C. 
64 
D. 
16 


Hint 


7. 
Evaluate xyz if x = 3, y = 1, and z = 5. 


A. 
9 
B. 
15 


C. 
15 
D. 
9 


Hint 


8. 
Solve 5x = 40. 


A. 
9 
B. 
35 


C. 
6 
D. 
8 


Hint 


9. 
Write as a decimal. 


A. 
0.85 
B. 
0.085 


C. 
8.5 
D. 
0.805 


Hint 


10. 
Evaluate ab + 8 if a = 4 and b = 7 


A. 
36 
B. 
28 


C. 
60 
D. 
55 


Hint 


11. 
7,939 mg = ______ g 


A. 
0.7939 
B. 
7,939,000 


C. 
79.39 
D. 
7.939 


Hint 


12. 
Choose an appropriate scale for the data 69, 72, 121, 81, 98. 


A. 
70 to 120 
B. 
65 to 125 


C. 
70 to 100 
D. 
40 to 100 


Hint 


13. 
Ben races motorcycles for fun. So far, his lap times, in seconds, are 32, 35, 33, and 32. What time must Ben get on his final lap for his average lap time to be 32.6? 


A. 
32.6 
B. 
32 


C. 
31 
D. 
33 


Hint 


14. 
What is the greatest common factor of 14p^{2}q and 42p^{3}q^{2}? 


A. 
7p^{2}q^{2} 
B. 
14pq 


C. 
14p^{2}q 
D. 
7pq 


Hint 


15. 
Express 16 per 100 as a percent. 


A. 
16% 
B. 
0.16% 


C. 
32% 
D. 
8% 


Hint 


16. 
Use the Distributive Property to find 3(13 + 5) written as an equivalent expression. 


A. 
3 + 13 × 3 + 5 
B. 
3(13) + 3(5) 


C. 
3(18) 
D. 
3 + 13 + 3 + 5 


Hint 


17. 
A steak dinner including filet mignon, a baked potato, and green beans costs $20. A slice of apple pie can be added for $6 more. How much would it cost a family of 5 to each have a steak dinner and apple pie? 


A. 
$106 
B. 
$50 


C. 
$130 
D. 
$26 


Hint 


18. 
Make a stemandleafplot of the prices of DVD players listed in the table. 





A. 



B. 



C. 



D. 



Hint 


19. 
Evaluate 10 + 12. 


A. 
2 
B. 
22 


C. 
22 
D. 
2 


Hint 


20. 
Which sentence is not true? 


A. 
> 0.85 
B. 



C. 
0.3 < 34% 
D. 
> 42% 


Hint 


