Solve x2 + 6x = 7 by completing the square. which is the solution set of the equation? {–7, 1} {1, 7}

What is the value of x in the following equation. -x ^3/2 = -27

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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?