The points givin in the table lie on a line. find the slope of each line.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car