Let A and B be subsets of a universal set U where

A survey of 39 guests on the Jerry Springer show revealed the following information: 10 guests punch 19 guests curse 19 guests make obscene gestures 3 punch and curse and gesture 12 curse but don’t punch and don’t gesture 4 curse and gesture but don’t punch 4 punch and gesture but don’t curse How many guests engage in exactly one of these activities?

A box contains 1 red, 1 white, and 2 identical green balls. An experiment consists of drawing balls in succession without replacement and noting the color of each ball until a green ball is drawn. How many possible outcomes are there in this experiment?

Suppose there is a universal set U where {x: x is an integer and

An identification tag on a school library book consists of two digits in a row (each can be any digit from 0 to 9) followed by two different letters from the set {a, b, w, x, y, z} followed by two more digits that must be different from each other. How many different identification tags can be made? (Type your answer with no commas.)

Suppose there is a universal set U where  {x: x is an integer and 

Epicurus distinguishes between different kinds of desires: natural and necessary, natural but not necessary, and neither natural nor necessary (vain/empty). Why does this classification matter for how he thinks we should live? Can you generate a few examples of your own for each category?

¿Qué ropa usa un turista en la playa? ¿Por qué?

¿De qué color es el sol?

Fill in the blank with a demonstrative adjective that corresponds to the information given. (That) cinturón de piel (leather) cuesta mucho dinero.