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Mathematics 15 Online
OpenStudy (anonymous):

Can someone double check me? I think the answer is the third choice, but i'm not 100% sure. http://i62.tinypic.com/2yvti4m.jpg

OpenStudy (tkhunny):

Please demonstrate how you arrived at the third choice. 3h * h = 3h^2 -- This eliminates the fourth one. -4 * 5 = -20 -- This eliminates the second one.

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