A box contains 1 red ball and 3 white balls. Balls are Selected at random, one after another without re-
placement, and their colors are noted, until the red
ball is selected. A random variable X is defined as the
total number of balls selected. Find the density func-
tion of X.

What is the product of the radical expression. (7-2square root) (8+2 square root)

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi