Substitute -3 for x in the expression 
f(x)= 53 - 2x
f(-3)= 53 - 2(-3)
multiply -2 * -3
f(-3)= 53 + 6
add 
f(-3)= 59
ANSWER: f(-3)= 59
Hope this helps! :)
        
             
        
        
        
Answer:
A.) 40.506 cm is the answer
 
        
                    
             
        
        
        
Answer:
7n^2
Step-by-step explanation:
Multiply 8/n by 7n/7n to get 56n/7n^2
 
        
             
        
        
        
Easy peasy pumpkineasy the answer issssssssssssssss 455555
        
             
        
        
        
Formula: V = PI x r^2 x H
Volume = 3.14 x 4^2 x 10
Volume = 3.14 x 16 x 10
Volume = 3.14 x 160
Volume = 160π or 502.4 units^3