Which equation is equivalent to (1/3)x=27x+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.

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0