dansmathcast #17 (the world's most random number) / this time: rational expressions and equations (part 2), ways of seeing numbers, dan's e-mail questions, another 'math in the movies', equations of parabolas and hyperbolas, and trig riddles / andre agassi and tiger woods academies / my site is www.dansmath.com / dansmathcast is now a member of MERLOT, a multimedia education resource!