The circle below has a radius of 12 cm. what is the area of the shaded region? if necessary, round your answer to two decimal places. do not include units in your answer.
(picture below.)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

How many solutions does the nonlinear system of equations graphed bellow have?