Question

11) What is the x-coordinate of the midpoint
between (-8, 3) and (15, 9)?

Answer 1

Answer:

(x2-x1)/(y2-y1)= (7/2, 6).

so, the x-coordinate of the midpoint is 7/2.

Answer 2

Answer:

x coordinate is 7/2

work is pictured and shown