The shapes of these three greeting cards are similar rectangles. The cards are not drawn to scale. (This is a 3 part question) Qa. What is the length, in inches, of the side labeled w on Card 2? Qb. The area of Card 2 is how many times as great as the area of Card 1? Qc. The sides of Card 3 are n times as long as the sides of Card 1. The area of Card 3 is how many times as great as the area of Card 1?

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A: I am attaching image so that you understand each and every step.

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.