The length of a rectangle is 4 more than half the width. Which equation could represent the area of the rectangle in terms of the width?

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

Answer question above and explain each step : )

Acircle has a circumference of 7.850 units. what is its radius?