A lamp points toward the base of a doorway as shown below, what is the height, in feet, of the lamp

Which of the following is the result of expanding

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')