Answer:
$7.50
Step-by-step explanation:
 
        
             
        
        
        
Answer:
f(x)=1/4(5-x)²
Step-by-step explanation:
f(11)=1/4(5-11)²
1/4(-6)²
1/4(36)
=9
 
        
                    
             
        
        
        
Answer:
32 cars
Step-by-step explanation:
we know that he can paint 12 cars in 3 weeks. 
that means that he can paint 4 cars per week.
4cars x 8weeks = 32 cars in 8 weeks