What is the simplified form of
5x + 15/x/x+3/x

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd