two fifths of the 6th graders want to be in athletics next year what decimal of sixth graders want to be in athletics

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Asphere has a diameter of 10 in. what is the volume of the sphere?

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?