Graph each function and label the axis of symmetry and vertex y=x^2+2x+4

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

What are the exclude value of mn+3m