Can someone help me with this question thanks! : )

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

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')