Saturday

January 31, 2015

January 31, 2015

Posted by **Sam** on Friday, February 8, 2013 at 11:20pm.

- geometry -
**Sam**, Saturday, February 9, 2013 at 12:55amGot it!

A) Write a variable expression for the area of the picture. x² <==ANSWER

B) Write a variable expression for the total area of the poster. (x + 15)(x + 6) <==ANSWER

C) Use your solutions to parts A & B to write a variable expression for the area of the border.

(x + 15)(x + 6) - x² = x² + 21x + 90 - x² = 21x + 90 <==ANSWER

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