What is the next sequence 1,9,20,34,51,71

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?

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid