If $192x^2 -16 = 0$, find the value of $\frac{1}{x^4}$.

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

Does the point (1, sqrt 7) lie on circle shown.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39