The volume of a cone is 3pi x^3 cubic units and its height is x units. Which expression represents the radius of the cone's base, in units?
3x
5x
3pi x^2
9pi x^2

What is the radical expression that is equivalent to the expression 27 1 over 5?

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.