ANSWER 
i think it is six. 
EXPLANATION
        
             
        
        
        
Y2 - y1/x2 - x1 = slope
4 - 8/ 9 - 5 = slope
-4/4 = slope
-1 = slope
hope this helps :)
        
             
        
        
        
A. Equilateral: All sides are the same length
b. Scalene: All sides are different lengths
c. <span>Equilateral: </span>All sides are the same length
d. Isosceles: Two sides are the same length
e. Scalene: All sides are different lengths
f. Isosceles: <span>Two sides are the same length
Hope this helps!</span>
        
             
        
        
        
Answer:
My answers were (1,1) for both lmk if it works ;)
Step-by-step explanation:
 
        
             
        
        
        
The line of symmetry is 1