A: Cocaine.
Nothing, you can't cross a vector by a scalar. EDIT: changed multiply to cross.
Two, one to change the lightbulb and another to show one they changed earlier.
How many feminists does it take to change a light bulb Trick question, they can't change anything.
Seven - one to actually change the bulb and six to complain that they liked the old one better.
Eric Clapton never would have let his bag of coke fall out of a 49th-story window!
He wanted to practice the rope-a-dope.
His mom.
