56x56=3136 you would divide that by 500 and get 6.272
        
                    
             
        
        
        
Answer:
First image: -83/2
Second image: 8.62%
Third image: -43/2
Step-by-step explanation:
See the attachments
 
        
                    
             
        
        
        
Answer:are there choises?
Step-by-step explanation:
 
        
             
        
        
        
It’s c because I got it right on the test
        
             
        
        
        
Answer:
centre is 2,-3
radius is 2 units
Step-by-step explanation:
I dont know how to find the equation
above answers are also guesses. 
hope u don't mind