In the figure, ABCDE is a pentagon with BE||CD and BC|DE. BC is perpendicular to CD. AB = 5 cm, BE = 7 cm, BC = x - y and CD = x + y. If the perimeter of ABCDE is 27 cm. find the value of x and y,

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In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

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What is an alternate exterior angle