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September 20, 2014

September 20, 2014

Posted by **Anonymous** on Tuesday, August 24, 2010 at 6:56pm.

[12 -9]

[-3 5]

- college algebra -
**Damon**, Tuesday, August 24, 2010 at 7:29pmI will have to assume that you mean find the determinant

12*5 - (-9)*(-3)

= 60 - 27

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