Answer:
Id love to help but I do not under stand this kind of math 
Step-by-step explanation:
Sorry
 
        
             
        
        
        
Do you have the picture for the shaded area? please be more specific.
        
             
        
        
        
Answer:
$21.60
Step-by-step explanation:
240 x .09 = 21.60
 
        
             
        
        
        
Answer:H 
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
x²+2x-3=0
(x²+3x)-(x-3)=0
x(x+3)-1(x+3)=0
(x-1)(x+3)=0
x=1 or x=-3