What is 2+2+2+2+2x^4x55

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.

Given the graphed function below which of the following orders pairs are found on the inverse function

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?