For a printing company, the cost of printing business cards is a linear function, c(x) = 0.05x + 20, where x is the number of cards printed. what is the cost of printing 1200 business cards?


whomever answers first is brainliest!

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?