ANSWERS: 4

A lazy person's way of giving thumbs up without having to write a lot.

Well, you could be talking about angle measurement. If true, the complement would be 90(your current number). Two angles that add to 90 degrees are said to ber complements. !80 are supplements. If you are talking probability, you are asking the probabilty of a situation occuring (lets say 30%). Since something either will occur or won't accour, If you add the probability of the situation occurring (30%) and the situation not occuring (70%) you will get 100%. The complement of the situation occuring is 70%, because it has a 30% chance of happening. so, take 100% and subtract the probability of the event happening (30%) and you will get its complement

Just a way we men rate women, on a scale of 110 for just about anything you can think of.

In computer terms it is the number you get when you subtract a number from zero. Using pencil and paper you would just change the sign, but because of the way computers represent numbers it's a little more complicated.
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