If the area square 3 is 80 cm^2 and the area of square 2 is 100 cm^2, what is the area of square 1

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?