Dear Algebra, stop asking us to find your X, she's not coming back, and no we don't know Y.
A linguistics professor says during a lecture that, "In English, a double negative forms a positive. But in some languages, such as Russian, a double negative is still a negative. However, in no language in the world can a double positive form a negative." But then a voice from the back of the room piped up, "Yeah, right."
C, Eb, and G walk into a bar. The bartender says, "Sorry, no minors."