Bryan is admiring a statue in Somerville Park from 12 feet away. If the distance between the top of the statue to Bryan's head is 20 feet, how much taller is the statue than Bryan? feet

The parabola opens: y=√x-4 (principal square root) up down right left

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.

Which of the following is not a subset of {1,2,3}?