If the radius of a sphere increase from 3 feet to 9 feet by how many cubic feet does the volume of sphere increase

Graph the equation. select integers for x

The longer leg of a 30-60-90 trangle is 18

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.