Answer: 2 per pencil
your subtract how much you started with by what is left. After that, you divide that number by how much you bought.
 
        
                    
             
        
        
        
Answer:
Option C 
Step-by-step explanation:
I just graphed on my TI-84
Hope this helps!
 
        
             
        
        
        
Your answer is: 8x^4 y^5/7.
        
             
        
        
        
Yes it is C if you do the math and simplify it that is what you’ll get
        
             
        
        
        
2x * 3x = 6x^2
2x * (-4) = 8x
7 * 3x = 21x
7 * (-4) = -28
6x^2 + 29x - 28