User contributions
- 14:48, 31 July 2012 (diff | hist) . . (0) . . 2008 AMC 12B Problems/Problem 21 (→Solution 2)
- 14:48, 31 July 2012 (diff | hist) . . (+1) . . 2008 AMC 12B Problems/Problem 21 (→Solution 2)
- 21:52, 19 February 2012 (diff | hist) . . (0) . . 2006 AMC 12B Problems/Problem 23 (→Solution)