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Mathematics 15 Online
OpenStudy (anonymous):

Which of the following represents the area of a rectangle whose length is 5x + 7 and whose width is x – 4? 5x2 – 28 5x2 – 13x – 28 5x2 + 13x – 28 5x2 + 28

OpenStudy (shubhamsrg):

area = length * width =(5x+7)(x-4) just expand this and compare

OpenStudy (anonymous):

ohhhh okay

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