

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. 
10 miles 


C. 
3 miles 
D. 
15 miles 


Hint 


2. 
Evaluate ab + 8 if a = 4 and b = 7 


A. 
28 
B. 
60 


C. 
55 
D. 
36 


Hint 


3. 
Evaluate x + 5y if x = 12 and y = 9. 


A. 
71 
B. 
153 


C. 
57 
D. 
47 


Hint 


4. 
Evaluate 5k + if k = 3, m = 20, and n. = 5. 


A. 
7 
B. 
20 


C. 
19 
D. 
57 


Hint 


5. 
Evaluate y^{3} if y = 4. 


A. 
64 
B. 
16 


C. 
12 
D. 
43 


Hint 


