Simplify this polynomial identity 5(3+6)+2(7+3)

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?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Need on this geometry question. explain how you did it.