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Mathematics 14 Online
OpenStudy (mackenzie2013):

A circular jacuzzi is surrounded by a circular deck. The radius of the jacuzzi is n − 3 and the radius of the full circle formed by the deck is n + 3. Write a polynomial that represents the area of just the deck itself, not including the space covered by the jacuzzi. (The area of a circle is given by A = πr 2, where r represents the radius of the circle.) −12πn 12πn + 18 18 12πn

alones (alones):

Umm those are the choices?

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