The radius of a circle is 3 centimeters. What is the area of a sector bounded by a 90° arc?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?