I need help with this question pls

What is 1/2 x (6 x 4)+3 + 2 show your work

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 distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4