Answer:
width= x-7
Step-by-step explanation:
l= 8x
Area = l*b
b= 8x^2-56x/8x
b= 8x(x-7)/8x
b= x-7
 
        
             
        
        
        
A.360 / 25= 14.4
B. 480 / 32= 15
B Is getting better mileage 
<span />
        
             
        
        
        
Hello There
Its pretty tricky but here is your answer
<span>4833.977
Want full answer? here
</span>
<span>4833.97738
Good luck brainy 
</span>
        
             
        
        
        
Slope = (y2-y1)/(x2-x1) = (8-2)/(3-1) = 6/2 = 3. So the answer is c.
        
                    
             
        
        
        
Solve system of inequalities graphically