A is the midpoint (3,6) and B is the midpoint (11,12).find the coordinates of midpoint of AB

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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.

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)