Observe the matrices:
Megan is correct.
Since,Cody exchanges cofficent with coefficient.
Megana is correct.
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cofficent with ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1f02a70f7489dd3b8742e9e1c94d6d0.png\")
coefficient.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")