-7x + 2x (add common factors)
-5x+6+21 (what happen to one side happens to the others
-5x=21 (divide by five)
x= -3
        
                    
             
        
        
        
Answer:
I believe its b, bc the slope is negitive
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
i think it's c, I could be wrong djxndnxmmx
 
        
                    
             
        
        
        
Answer:
<u><em>40</em></u>
Step-by-step explanation:
There are 6 sides. Four sides have 8 squares, 4 * 2, and the other 2 sides have 4, 2 * 2. 8 * 4 = 32, 4 * 2 = 8, 32 + 8 = 40