Corrected Question
The volume of air inside a rubber ball with radius r can be found using the function V(r) = four-thirds pi r cubed. What does V(5/7) represent?
Answer:
(B)the volume of the rubber ball when the radius equals five-sevenths feet
Step-by-step explanation:
The Volume of a sphere of radius r can be found using the formula:

Therefore comparing the expression:  with V(r):
  with V(r):

Thus,  is the volume of a ball of radius
  is the volume of a ball of radius  feet.
 feet.
The correct option is B.
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
-3i  √(-40) = -3i √40i²    ...(i² = - 1)
                  = -3i √40 i
               -3i  √(-40)  =   3√40
 
        
             
        
        
        
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Y^2+36, because you square y and 6
        
                    
             
        
        
        
Answer:
127
Step-by-step explanation: