Answer:
It is a equation
Step-by-step explanation:
Because it has an equal sign if it does not it will be a expression.
 
        
             
        
        
        
D and C because that the answer
        
                    
             
        
        
        
Point p and point Q has to be the same point
        
             
        
        
        
Answer:
255
Step-by-step explanation:
12x^(2) + 39x + 30
x = 3
Substitute in"3" for "x" and solve;
12(3)^(2) + 39(3) + 30
= 12 * 9 + 117 + 30
= 108 + 117 + 30
= 255