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October 25, 2014

October 25, 2014

Posted by **anonymous** on Monday, March 17, 2014 at 10:33pm.

- math -
**Ms. Sue**, Monday, March 17, 2014 at 10:52pma^2 + b^2 = c^2

a^2 + 12^2 = 15^2

a^2 + 144 = 225

a^2 = 81

a = 9

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