Answer what? This question? Oh, I'm answering it right now. Did you have another question out? Well, I can't see it.
Answer:
(-1, -2.5)
Step-by-step explanation:
the midpoint of a segment is 
, given points (x1, y1) and (x2, y2)

I believe the answer is c
The answer is 3
5x = 16-1
5x = 15
x = 3