The correct answer is 720. Just turned it in and got a 100. Good luck and hoped this help ya.
        
                    
             
        
        
        
4x^2-25
I got u homie wherever in the world u r
        
             
        
        
        
Picture 2;Picture 4;Picture 1;Picture 5;and then Picture 6
        
             
        
        
        
62% because 200 silver coins out of 323 (total of all coins) is .619..., resulting in 62%