

1. 
Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}. 


A. 
8 
B. 
12 


C. 
4 
D. 
16 


Hint 


2. 
The perimeter of a square is 4 times the length of a side. Use the equation P = 4s to find the perimeter of a square whose side has a length of 6 inches. 


A. 
10 in. 
B. 
36 in. 


C. 
12 in. 
D. 
24 in. 


Hint 


3. 
Solve 3x = 36. 


A. 
14 
B. 
12 


C. 
6 
D. 
13 


Hint 


4. 
Solve f = . 


A. 
6 
B. 
2 


C. 
4 
D. 
3 


Hint 


5. 
Find the solution of 62 + x = 75 if the value of x can be selected from the set {12, 13, 14, 15}. 


A. 
13 
B. 
15 


C. 
14 
D. 
12 


Hint 


