EASY MATH!

Just do
3.
5.
7.
9.
15.

Pls! does anybody know a shortcut for answering these types of questions in the future?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?