70 students per 2 teachers. How many students per teacher?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️