

1. 
Evaluate 3x + 2y if x = 3 and y = 7. 


A. 
5 
B. 
105 


C. 
23 
D. 
27 


Hint 


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


A. 

B. 
10 


C. 
30 
D. 
3 


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. 
3 miles 
B. 
1 mile 


C. 
15 miles 
D. 
10 miles 


Hint 


4. 
Evaluate 7 × (a  4) if a = 9. 


A. 
28 
B. 
59 


C. 
35 
D. 
63 


Hint 


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


A. 
47 
B. 
57 


C. 
71 
D. 
153 


Hint 


