Posted by **yasha** on Thursday, October 16, 2008 at 8:21pm.

Suppose the lengths of the four side of a quadrilateral are represented by the expressions 3a, a+2, 2a-1, and 3a+6. write the sum of the lenghts (the perimeter), and then simplify.

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**bobpursley**, Thursday, October 16, 2008 at 8:25pm
add up the four side for the perimeter. I will be happy to critique your work.

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**Jessica**, Friday, February 12, 2016 at 2:44pm
Is the answer 8a-1. If not, please help.

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