Answer:
C
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Option D.

Step-by-step explanation:
The area of the circular bases is:

Where
 is the radius of the circle
 is the radius of the circle
Then


The area of the rectangle is:

Where 

b is the width of the rectangle and  is the length
 is the length
Then the area of the rectangle is:


Finally the total area is:


 
        
                    
             
        
        
        
Answer: x/y=1 
Step-by-step explanation:
a(x-y)=b(y-x)
(a+b)x=(a+b)y
x/y=1 ans
hope this helps
 
        
             
        
        
        
D is not equivalent
hope this helps :)