What is 10(n−2p+2) because i dont know the answer

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

X-intercept=-5 y-intercept=2 the equation of the line is

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?