On three examinations, Dana received scores 83,92, and 73 what score does dana need on the fourth examination to raise his average to 85 ?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?