8x-13
1. Distribute 6 to both 2x and -3
5+12x-18-4x
2. Combine like terms
8x-13
        
             
        
        
        
Answer:
It's actually A, because the US population got doubled ever year
 
        
             
        
        
        
M=(y2-y1)/(x2-x1)
m=(-4-4)/(3-1)
m=-8/2
m=-4
so the answer should be first one
        
             
        
        
        
Answer:
can u show a little clear pic with full triangle shown