The from the regular selling price to the discounted sale price is 20%

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.

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

Add the fractions and simplify 1/2+ 1/3