

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


A. 
27 
B. 
105 


C. 
23 
D. 
5 


Hint 


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


A. 
3 
B. 
30 


C. 

D. 
10 


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. 
3 miles 


C. 
15 miles 
D. 
1 mile 


Hint 


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


A. 
36 
B. 
28 


C. 
55 
D. 
60 


Hint 


5. 
Evaluate j  k if j = 10 and k = 2. 


A. 
20 
B. 
5 


C. 
8 
D. 
12 


Hint 


