A cat food company sells its canned cat food to stores for $0.20 per can. One of the stores sells the can of cat food for $0.55. What percent markup did the store use? e

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?