6) subtract 16 on both sides
then it should be x/4>18
then you would times 18 by 4 and get 
c as the answer
7) the answer is d.
because 52-12 is 40 and 52/4 is 13
 
        
                    
             
        
        
        
Step-by-step explanation:
The vertex is the point (-4, 7).
 
        
             
        
        
        
The length I think is 15 and the width I think is 19