Help me again please ‘,:)

Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

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?