What is the value of w2 +3x +y -z when w = 3, x = 8, y = 2 and z = 5?

In the diagram below, tan θ = sqrt 3. what is the value of m?

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.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2