19 you could’ve just used the calculator lol
        
                    
             
        
        
        
Answer:
Unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity. Some common unit rates are miles, per hour, cost per item, earnings and per week
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
I think the answer is x=70
 
        
             
        
        
        
Find midpoint of segment.
(-1,1), (7,-5)

Find slope of line which passes through (-1,1) and (7,-5).

The slope of perpendicular line is negative reciprocal value of m.

Write quation of line which slope is 

 and passes throug the point (3,-2).
