Mrs morrison’s math class starts at 11: 30 if the class ends at 1: 00 how long is mts. morrison teaching

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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?