John O’Malley worked 40 regular hours and 10 overtime hours this week. His regular rate of pay is $8.50. For overtime pay, he earns 1.5 times his regular pay. What is John’s gross pay for this week?

Which expression is equivalent to 2x^2+7x+4?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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?