

1. 
Evaluate c + 5 if c = 3. 


A. 
3 
B. 
c + 3 


C. 
8 
D. 
5 


Hint 


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


A. 
23 
B. 
105 


C. 
5 
D. 
27 


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. 
10 miles 
B. 
1 mile 


C. 
3 miles 
D. 
15 miles 


Hint 


4. 
Evaluate x + 5y if x = 12 and y = 9. 


A. 
153 
B. 
57 


C. 
47 
D. 
71 


Hint 


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


A. 
7 
B. 
57 


C. 
20 
D. 
19 


Hint 


