Please help explain it also

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

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c