One endpoint of a line segment is at (1, 2). the line is bisected by placing the midpoint of the line segment at (5, 8). what are the coordinates of the other endpoint?

How many $20 bills do you need to have to make $280

For what values of x is x2 + 2x = 24 true?

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?