The volume of a right circular cone of radius x and height y is given by v=13πx2y. Suppose that the volume of the cone is 85πcm3. Find dydx when x=4 and y=16.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose