Staceys text messaging plan cost 6$ for the first 350 messages and 10 cents for each additional text message. If she owes $24.50 for text messaging in the month of august, how many text messages did she send that month

Sorry guys but as you have a small brain

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

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