Answer:
Can you take a picture of the line or at least give the slope because without that information I won't be able to find the equation. 
Step-by-step explanation:
 
        
             
        
        
        
P^2 - 9
p^2 - 3^2
(p+3)(p-3)
Hope this helps!
        
             
        
        
        
Answer:
A 4
Step-by-step explanation:
2(3)=6-2=4