

1. 
Evaluate c + 5 if c = 3. 


A. 
3 
B. 
5 


C. 
c + 3 
D. 
8 


Hint 


2. 
Evaluate if a = 5, b = 6 and c = 3. 


A. 
10 
B. 
3 


C. 
30 
D. 



Hint 


3. 
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 


4. 
Evaluate 7 × (a  4) if a = 9. 


A. 
59 
B. 
28 


C. 
35 
D. 
63 


Hint 


5. 
In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2. 


A. 
10 
B. 
40 


C. 
20 
D. 
5 


Hint 


