Find the area

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Show/explain how to solve ty

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?