Sometimes you run into things that are just plain funny. This is one of those things. I guess it represents the sum total of the high school education in getting a job.
I was working with a student using a Pre Calculus text that is new this year. This page is from the unit that introduces vector dot products. I was calmly explaining how the dot product works when I spied this heading. FOTFALMAO! The student thought I was nuts. It just struck me as so funny at the time that I had a hard time getting a grip.
Reminds me of a lesson I once attended. The teacher mentioned a Polygon. The class idiot (not me) said whats a Polygon, someone (might have been me) said "the parrot has got out of the cage".
How we all laughed.
PS the class idiot was still asking about the parrot weeks later.