Help please if u can

What is the upper quartile in the box plot?

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?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"