Explain why 2.15 and-2.15 opposite

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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