Please explain and not just say answer.

And no bit links.

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

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

What is the area of the shaded sector?