Define reciprocal squared function f(x)=1/x^2

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

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?