Quadratic formula! Haha math jokes!
[spoiler]The luckiest seven you will ever meet[/spoiler]
-
This is the kind of joke in that one teachers room that isn't a fun teacher, no, they're honestly an asshole, but its there to promote fun in math, and you look at that sign everyday, and you just want to draw a fat ol penis on it in permanent marker just so they take it down.