Answer:
$1764
Step-by-step explanation:
2800 x 9 = 25200 
7% of 25200 =  1764
 
        
                    
             
        
        
        
Answer:
See attached image.
Step-by-step explanation:
If x=y, the (x,y) = (x,x) or (y,y).  All points have the same x and y values.
 
        
             
        
        
        
We have |-9x| =9x as it makes 9x positive
 
 
        
        
        
0.32% is the answer and i need 20 characters to type this answer so dont mind this.