Resolver las siguientes operaciones de sumas con monomios: almenos una gracias

7 xy +2yx + 4xy +5 =

5x^2 y+3xy^2+x^2 y

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?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

What is the frequency of the sinusoidal graph?