What is 1/4(8+x+4) simplified using the distributive property

What is a possible solutions of the x> 3?

Write an equation for the function that includes the points (2,100)and (3,100)

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?