Which of the following best describes the expression 7(y + 5)? a
The sum of two constant factors seven and five plus a variable

b
The product of two constant factors seven and five plus a variable

c
The sum of a constant factor of five and a factor with the product of two terms

d
The product of a constant factor of seven and a factor with the sum of two terms

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?