Graph the inequality 1/2+y is greater than or equal to 4

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

What other information do you need to prove triangle dac=bca by asa

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?