A school has 28 math textbooks and 48 science textbooks. Identify the ratios: a. math to science
b. science to all
c. All to math
d. all to science

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?