An artist sells paintings for $100 each. For each painting, the cost of the canvas is $10 and the cost of the paints is $8.
How much profit (a positive amount of money earned after paying for
the costs) would the artist earn if she were to sell 10 paintings?

What is the exact volume of the cylinder 1.5 m 2.5 m

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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?