Hannah went shopping for a new phone. The listed price of the phone was $48, but the price with tax came to $50.40. Find the percent sales tax.

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

How many square centimeters of wrapping paper will be used to wrap the shoe box?