Where the pictures of the graph
        
             
        
        
        
Answer:0.25
Step-by-step explanation:
Just type it in a calculator 
 
        
                    
             
        
        
        
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Answer: 500$
Explanation: 
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
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If it’s rotating around something, it’s most likely a cylinder I believe