The answer is 1.81 repeated so like 1.81818181
        
             
        
        
        
Answer:
2r(2r)
R
Pi/4
Pi times r cubed
Step-by-step explanation: 
Believe it or leave it 
 
        
             
        
        
        
Answer:
-3+10y
Step-by-step explanation:
Distribute the Negative. 
 
        
                    
             
        
        
        
Answer:
The answer is x2 - 3x - 8.
Step-by-step explanation: