A circle with radius 3 has a sector with a central angle of
17
IT radians.
9
What is the area of the sector?
Either enter an exact answer in terms of T or use 3.14 for I and enter your answer as a decimal.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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?