I believe the correct answer would be B. Down payment
Your welcome
        
             
        
        
        
Answer: A. 8 
Hope this helps
        
             
        
        
        
The y intercept of this line is -9
        
                    
             
        
        
        
simply need to fill in Y=Mx+b! 
slope is 1/2, the and b (the y intercept) is 0! so y=1/2x + 0 or y=1/2x :) 
 
        
             
        
        
        
It Is 30 because u gonna subtract the thing and be alright