5.618 rounded to the nearest hundredth is 5.62.
        
                    
             
        
        
        
Answer:
-6.8w = 3.4
divide both side by -6.8 
the left side become w
and the right side become - 0.5
so 
 
w = -0.5
 
        
             
        
        
        
Top half:
D (x-2, y+3) E (x-3, y(+\-) 0) F (x+1, y-2)
P (x+1, y+2) Q (x+3, y+4) R (x+5, y+2)
        
             
        
        
        
The score range that sally would have to make a 90 average is 85-100