I think it's need to be a graph right?
 
        
                    
             
        
        
        
Answer:
Starting is 10 going up by 5x
Step-by-step explanation:
When you look at a graph there is a y and x axis's. 10 is on the y axis and its going up by 5x.
 
        
             
        
        
        
Divide 309 by 3. You should get 103 (hamburgers). if you multiply that by 2 you will get 206 (cheeseburgers). Add the two together you get the total which was 309 originally.
103 hamburgers and 206 cheeseburgers.
        
             
        
        
        
Answer: slope is 1
Step-by-step explanation:
-6-4= -10
-1-9 = -10