Best answer with step by step explanation will get brainliest answer..pls help me with question

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.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

How do you do the foil method with polynomials?