Please help me! I need this answered fast!

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.