What are you doing step-bro!?

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

What is the missing constant term in the perfect square that starts with x^2 -20x

Need solving this second acceleration problem.