Pls help me
What is the answer for "???"​

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

Is it greater than or less than7*3_9*2

How do i put 3(x+7) in distributive property