There are 10 dimes, 8 quarters, and 5 nickels? what is the ratio of dimes to nickels

Which graph represents an even function?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?