Grayson's mistake was that he multiplied 4 and 3 and then used the exponent he had to square 3 and then multiply it by 4.
Emily's mistake was that she added 2 to 36 instead of multiplying it by -2
Pat's mistake was that he forget to make y into -2 instead of 2
The right way to do this is 4(3^2)+2(-2) 
(3^2)=9 9×4=36 2(-2)=-4 -4+9=5
        
             
        
        
        
Answer:
205
Step-by-step explanation:
 
        
                    
             
        
        
        
To find the perimeter you do length + width so you do 12.4 + 5.9 to get the perimeter.