Hell-if-i-know (my grandma's favorite joke)
Don't worry they'll tell you
There are posts on the frontpage
A smooth operator!
Nothing, you can't cross a vector by a scalar. EDIT: changed multiply to cross.
Because they are really good at it
Pupil:"You don't have to find them they're too big to lose!"
Rhinos R Us
Well hell-if-i-know!
DMV.