Help im in a test help the problem is down in the picture

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

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

Write the expression 7x^3-28xy^2 as the product of 3 factors