(PLEASE HELP) The area of the rectangle shown is 152 square feet.
What is h, the height of the rectangle in feet?

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 these triangle pairs can be mapped to each other using two reflections?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.