Because they won't commute.
You get an unpleasant vowel movement.
Ask your parents
A home-cooked shower.
Afroturf Also, I'm not racist. I have two color tvs at home.
He gets lost every time he checks the speedometer.
Whenever he had the energy, he didn't have the time.
He was just minding his Ps and Qs.
A: When he got the momentum, he couldn't find the position, and when he found the position, he couldn't muster up the momentum.
Because cross products don't commute!
Because it wouldn't commute!