I am getting ready to take my placement test for college, but it has been over a year since I have taken math. So could some one explain to me, in step by step form, how to solve #14 and #15.(adsbygoogle = window.adsbygoogle || []).push({});

http://www.math.ohio-state.edu/counseling/imgs/D-Test02.jpg

here are the answers:

http://www.math.ohio-state.edu/counseling/imgs/D-Test_Answers04.gif

Thanks for any help.

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# Math placement test question

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