(8, 9) will be the midpoint of the segment.
You can find this by applying the formula 
(x1 + x2)/2 , (y1 + y2)/2
        
                    
             
        
        
        
Answer:
infinite solutions
Step-by-step explanation:
any equation that is like that has infinite solutions such as 7=7 or 2=2
 
        
             
        
        
        
I’m not sure if this was a typo, but A and B are the same answer. A and B are correct, because when you solve this the answer has to be anything less than -0.6.
        
             
        
        
        
If x is the time, in hours, then:
x(55)=x(50)+15
5x=15
x=3 hours before Aisha is ahead of Luke
hope this helps you!