What is the approximate volume of the sphere? use 3.14 to approximate pi and round the answer to two decimal places if needed.
a.
1570 mm3
b.
523.33 mm3
c.
392.50 mm3
d.
166.67 mm3

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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?

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.