Answer:
C. 
Step-by-step explanation:
The formula for a cylinder is V = (pi) (r^2) (h) so 12*12 is 144. 144*pi*17 is 2448 pi units cubed. 
 
        
             
        
        
        
Answer:
1/6
Step-by-step explanation:
First you make the denominator on the fractions the same
3 * 2 = 6
Multiply the number the same for the numerator
 3 * 1 = 3
so the fraction is 3/6 since 3/6 = 1/2
4/6 - 3/6 = 1/6
she has 1/6 pipe left
 
        
             
        
        
        
Answer:
$672
Step-by-step explanation:
I am a master in mathematics!!
 
        
                    
             
        
        
        
Im not sure, when in doubt pick C
        
             
        
        
        
Answer:
a=-24
Step-by-step explanation:
a/-6+8=12
subtract 8 from both sides 
a/-6=4
multiply each side by -6
a=-24