Answer:
(-4 , 0)
Step-by-step explanation:
Graph attached
 
        
             
        
        
        
It can either be the negative sign of the number by the x so it should either be 2 or -
 
        
             
        
        
        
Answer:
c. 40
Step-by-step explanation:
 
        
             
        
        
        
1/2 
If ABC ~ DEF then 12/6, 16/8, and 18/9 would equal 2
BUT since we are going from a large triangle to a small triangle, our answer needs to be less then one, making our answer 1/2