I need help please someone

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)