The list price of a stereo is $900 with a trade discount of 30%. find the amount of trade discount and net price of the stereo.

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.

Do, h = (7, 9) (14, 18) the scale factor is

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12