Mrs. Revves has 20 identical boxes without labels. She knows that she has two boxes of pens, 10 boxes of paper, two boxes of crayons, and six boxes of glue. She opens one box what is the probability that its glue.

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.