Which number ,when substitude for x makes the equation 4x+8=16 true

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.