Z^2 + z + 4z^3 + 4z solve? to get the answer. also we have to comebine like terms

Do i get charged for my membership before or after the 6 months

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

All per-unit concepts rely on ratios,meaning,to provide a type of measurement