Complete the square in the quadratic equation in order to write the equation in vertex form. y = x^2 - 6x - 8

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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?

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