Arrange the terms so that the powers of x are in descending order: 4x^3y - 6xy^3 + 2x^5 + 3y

O -6 y^3 + 4x^3y^2 + 3y + 2x^5
O 4x^3y^2 + 3y +2x^5 - 6xy^3
O 2x^5 + 4x^3y^2 - 6xy^3 + 3y
O 3y - 6xy^3 + 4x^3y^2 + 2x^5​

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min