

1. 
Find the difference 3.35  6.21. 


A. 
2.86 
B. 
9.56 


C. 
2.86 
D. 
9.56 


Hint 


2. 
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? 


A. 
93 
B. 
100 


C. 
80 
D. 
97 


Hint 


3. 
Solve for y. 


A. 
y = 13 
B. 
y = 10 


C. 
y = 5 
D. 
y = 2 


Hint 


4. 
Solve the proportion for the value of z to the nearest hundredth. 


A. 
1.34 
B. 
2.10 


C. 
0.39 
D. 
2.56 


Hint 


5. 
What is the probability that you roll an odd number on a sixsided number cube? 


A. 

B. 
1:1 


C. 

D. 
3:1 


Hint 


6. 
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? 


A. 
4:7 
B. 
4:5 


C. 
2:7 
D. 
2:5 


Hint 


7. 
Solve = d. 


A. 
d = 3 
B. 
d = 7 


C. 
d= 8 
D. 
d = 12 


Hint 


8. 
A counterexample disproves a conditional when ________ . 


A. 
the hypothesis is false and the conclusion is false 


B. 
the hypothesis is true and the conclusion is true 


C. 
the hypothesis is false and there is no valid conclusion 


D. 
the hypothesis is true and the conclusion is false 


Hint 


9. 
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the first quarter? 





A. 
15 
B. 
60 


C. 
48 
D. 
27 


Hint 


10. 
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the second quarter? 





A. 
48 
B. 
15 


C. 
60 
D. 
27 


Hint 


11. 
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 2 or 3 family members? 





A. 
45 
B. 
25 


C. 
20 
D. 
5 


Hint 


12. 
Simplify 


A. 
7 – 2n 
B. 
7 – 12n 


C. 
7 – 2n 
D. 
7 – 12n 


Hint 


13. 
Evaluate if x = 13, y = 10, and z = 5. 


A. 
24 
B. 
26 


C. 
24 
D. 
26 


Hint 


14. 
A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple? 


A. 

B. 



C. 

D. 



Hint 


15. 
Write and in order from least to greatest. 


A. 



B. 



C. 



D. 



Hint 


16. 
Solve 11b = 132. 


A. 
b = 12 
B. 
b = 12 


C. 
b = 1452 
D. 
b = 1452 


Hint 


17. 
Solve 9x – 11 = 56. 


A. 
x = 405 
B. 
x = 5 


C. 
x = 5 
D. 
x = 405 


Hint 


18. 
A department store is having a 30% off sale for all clothing items. What is the discount price of a pair of blue jeans that normally cost $39.99? 


A. 
$25.99 
B. 
$11.98 


C. 
$29.99 
D. 
$27.99 


Hint 


19. 
Hakan has 50 milliliters of a 10% acid solution. How many milliliters of 45% acid solution should he add to create a 35% acid solution? 


A. 
78 milliliters 
B. 
125 milliliters 


C. 
97 milliliters 
D. 
100 milliliters 


Hint 


20. 
Solve 15 = k  12. 


A. 
k = 27 
B. 
k = 27 


C. 
k = 3 
D. 
k = 


Hint 


