Need help don’t really know what the answer is to be honest

The measure of angle 0 is 600 degrees

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.