Enjoy the flight....
.... And, learn something new...
Free SAT practice questions from the SAT College Board
Free online testing tools, ACT practice tests, flashcards, and math questions of the day from varsitytutors.com
Free Algebra, Geometry and Trig worksheets from Kutasoftware.com
Webcomic #46 "Bad Timing" (teen jeopardy with Gauss & Pascal) 8-17-12 (click lower right)