Gloria bought a coat through a payment plan. The coat was $75 and her payments were $15 each. What percent of the totalcost are the payments? A. 15%

B. 20%

C. 25%
D.30%

Name the most appropriate metric unit for each measurement

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.

Does the point (1, sqrt 7) lie on circle shown.