Bc has endpoints b(5,9) and c(-4,-3) fimd the coordinates of the midpoint of bc

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 equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?