Answer:
$12.49 
Step-by-step explanation:
9.99 divided by .8
 
        
                    
             
        
        
        
Answer: 2 
Step-by-step explanation:
 The slope is equal to 2 by it being in the slope place of y=mx+b
 
        
             
        
        
        
Answer:
200-5x and 90
Step-by-step explanation:
we don't know how many weeks she spent at first so we make the equation 200-5x
and then it would be 5x22 which is 110
so 200-110=90
 
        
             
        
        
        
Answer:
s-c= m  c 
Step-by-step explanation: