

1. 
An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks? 


A. 
12 pounds 
B. 
17 pounds 


C. 
7 pounds 
D. 
5 pounds 


Hint 


2. 
Solve 3x = 18. 


A. 
6 
B. 
7 


C. 
15 
D. 
21 


Hint 


3. 
Which symbol makes the following statement true? 7,500 ______ 7.5 × 10^{3} 


A. 

B. 
= 


C. 
< 
D. 
> 


Hint 


4. 
The following are scores on an English exam. The highest score possible is 100. Which is the correct line plot? 





A. 



B. 



C. 



D. 



Hint 


5. 
Find the mean of {3, 8, 10, 1, 25}. 


A. 
9 
B. 
8 


C. 
9.4 
D. 
1 


Hint 


6. 
The mean is the _______ of a set of numbers. 


A. 
most frequent 
B. 
middle number 


C. 
highest number 
D. 
arithmetic average 


Hint 


7. 
Which of the following numbers is composite? 


A. 
9 
B. 
31 


C. 
1 
D. 
23 


Hint 


8. 
What is the least common denominator for and 


A. 
12 
B. 
9 


C. 
72 
D. 
36 


Hint 


9. 
Solve 65 ÷ (5) = c. 


A. 
60 
B. 
13 


C. 
13 
D. 
60 


Hint 


10. 
7 times a number is 14. This can be represented by the equation 7n = 14. Solve to find the number. 


A. 
3 
B. 
21 


C. 
2 
D. 
7 


Hint 


11. 
Solve 3x = 36. 


A. 
13 
B. 
14 


C. 
6 
D. 
12 


Hint 


12. 
Solve f = . 


A. 
2 
B. 
6 


C. 
3 
D. 
4 


Hint 


13. 
How many baseball players had a batting average above .250? 





A. 
7 
B. 
2 


C. 
11 
D. 
9 


Hint 


14. 
Choose an appropriate scale for the data 69, 72, 121, 81, 98. 


A. 
40 to 100 
B. 
65 to 125 


C. 
70 to 100 
D. 
70 to 120 


Hint 


15. 
Find the interquartile range of the data. 





A. 
5 
B. 
10 


C. 
17 
D. 
7 


Hint 


16. 
Which symbol makes this sentence true? 4 ______ 1 


A. 
= 
B. 
< 


C. 

D. 
> 


Hint 


17. 
Solve –8z = 32. 


A. 
24 
B. 
4 


C. 
–24 
D. 
–4 


Hint 


18. 
Describe and identify the pattern in the sequence. 68, 85, 102, 119, … 


A. 
+17; arithmetic 
B. 
×1.5; geometric 


C. 
+17; geometric 
D. 
×2; geometric 


Hint 


19. 
Simplify (6a)(8b). 


A. 
48 
B. 
48ab 


C. 
48ab 
D. 
48b 


Hint 


20. 
Find the true sentence. 


A. 
0.56 = 
B. 
> 0.17 


C. 
45% > 
D. 
63% < 0.6 


Hint 


