Answer:-5
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A - x (x+3) = Area of the rectangle
B- 28 inches squared
Step-by-step explanation:
B- using the formula from A
x = 4 
x + 3 = 4 +3 = 7
4 times 7 is 28
 
        
                    
             
        
        
        
Answer:
88 rolls of 2.
Step-by-step explanation:
By proportion that would be 220 * 20/50
= 220 * 0.4
=  88.
 
        
             
        
        
        
Answer:
6
Step-by-step explanation:
The equation for this would be:
n+8=14, since we are adding 8 to a number and getting 14 
To solve, isolate the variable n, by subtracting 8 from both sides 
n+8=14
n+8-8=14-8
n=6 
The number is 6