

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. 
1 mile 
B. 
3 miles 


C. 
10 miles 
D. 
15 miles 


Hint 


2. 
How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute? 





A. 
10 minutes 
B. 
60 minutes 


C. 
30 minutes 
D. 
20 minutes 


Hint 


3. 
Find a good estimate of 145% of 58. 


A. 
60 
B. 
30 


C. 
90 
D. 
120 


Hint 


4. 
Evaluate x^{2} + 2xy + y^{2} if = 4 and y = 7. 


A. 
78 
B. 
86 


C. 
65 
D. 
121 


Hint 


5. 
Write 1,360,000,000,000 in scientific notation. 


A. 
13.6 × 10^{12} 
B. 
1.36 × 10^{12} 


C. 
1.36 × 10^{13} 
D. 
0.136 × 10^{13} 


Hint 


6. 
How much money do you predict Classic Comics will make on the Internet in July? 





A. 
$120 
B. 
$110 


C. 
$130 
D. 
$100 


Hint 


7. 
Are there any clusters in this data? 





A. 
Yes, 520. 
B. 
No, there are no clusters. 


C. 
Yes, 58 and 1418. 
D. 
Yes, 1115. 


Hint 


8. 
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. 
33 
D. 
31 


Hint 


9. 
Express 52% as a fraction. 


A. 

B. 



C. 

D. 



Hint 


10. 
Find the least common multiple of 6, 8, and 10. 


A. 
120 
B. 
240 


C. 
140 
D. 
86 


Hint 


11. 
Solve z = – . 


A. 

B. 



C. 
1 
D. 



Hint 


12. 
Which pair of ratios is not equivalent? 


A. 
and 
B. 
and 


C. 
and 
D. 
and 


Hint 


13. 
Classify the angle below. 





A. 
obtuse 
B. 
right 


C. 
straight 
D. 
acute 


Hint 


14. 
Determining the probability of rolling a '4' or '5' on a number cube by examining the number of possible outcomes and the number of ways to roll a '4' or a '5' is an example of ___________. 


A. 
outcome probability 


B. 
theoretical probability 


C. 
sample probability 


D. 
experimental probability 


Hint 


15. 
If you have 10 CDs, and you want to take three of them with you on a road trip, how many different possibilities are there for which three you bring? 


A. 
10 
B. 
604,800 


C. 
3 
D. 
120 


Hint 


16. 
Determine whether = form a proportion. Explain. 


A. 
Yes, because 47.7 × 7 3 × 110.4. 


B. 
No, because 47.7 × 7 3 × 110.4. 


C. 
Yes, because 47.7 × 7 = 3 × 110.4. 


D. 
No, because 47.7 × 7 = 3 × 110.4. 


Hint 


17. 
The Niles Park District has 140 children signed up to play Little League Baseball. The makeup of the league is shown in the table. If one child is picked at random, what is the probability that he or she is not 9 years old? Write as a fraction in simplest form. 





A. 

B. 



C. 

D. 



Hint 


18. 
A computer store offers a computer with a 15, 17, or 19inch monitor and an inkjet or laser printer. Make a tree diagram to show the different ways a computer can be sold with a monitor and printer. 


A. 



B. 



C. 



D. 



Hint 


19. 
Suppose you toss three quarters. What is the probability that exactly two of the coins will show tails? 


A. 

B. 



C. 

D. 



Hint 


20. 
The Millers’ have four children. What is the probability that the first three children were boys and the fourth child was a girl? Assume that the chance of having either a boy or a girl is 50%. 


A. 

B. 



C. 

D. 



Hint 


