Descriptions and test
various test items. Copyright© 2005 by the College
Board. Reproduced with permission. All rights
reserved. < http://apcentral.collegeboard.com >.
The problems have been reprinted with permission by the College Board,
the copyright owner, and may not be mass distributed or resold,
electronically or otherwise. Solutions to these problems were
suggested by Randolph Cooper, Shirley Gray and Stewart Venit.
Unauthorized use, reproduction,
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whole, is forbidden by law.