Answer:
5. Plane P
6. Line segment DB
7. Line CE
11. Ray BE (with an arrow on top from left to right) and Ray EC (with an arrow on top from left to right)
 
        
             
        
        
        
Answer:
y - 2 = 5(x+1)
Step-by-step explanation:
Point slope form is 
y-y1 = m(x-x1)  where m is the slope and ( x1,y1) is a point on the line
y - 2 = 5(x- -1)
y - 2 = 5(x+1)
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
y + 1 = -9(x + 9)
y + 1 = -9x - 81
y = -9x - 82
answer is A
 
        
             
        
        
        
Answer:
The answer is 7
Step-by-step explanation:
an easier way to think of it is 21 divided by 3, which again, is 7.
 Hope That Helps!