Which expressions is equivalent to 3x (2x– 3)? (hint: select ALL that apply. Remember to distribute!)

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.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

2.5 milligrams is equivalent to how many grams