Please answer the question below. If correct=brainliest :)

Volume of a cylinder with a radius of 13 in and height of 30 in

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

Which value of c would make he following expression completely factored? 8x+cy