PLEASE HELP! Describe how to solve problems for the area of a reduced or enlarged figure when the scale factor and dimensions of the original figure are given.

The heaviest 16% of all men in weight weigh more than how many pounds ?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.

What is the sum of the measures of the interior angles of an octagon