Its just a black screen for the picture
        
             
        
        
        
Answer:
5(-2z+6)
30-10z
-10z+30
Step-by-step explanation:
 
        
             
        
        
        
B as you can see the points go upwards as they go across :) Hope this helps!
        
                    
             
        
        
        
X would be -37. since youll subtract the 19 from both sides to get x=-37
        
                    
             
        
        
        
6 gallons are lost every 30 second so .2 gallons are lost every second