Jason has $90 to spend he wants to purchase a bag for $30 one direction for $10 and three pencils each other three pencils cost the same this will use of all of jason's money determine the price of a pencil

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Asphere has a diameter of 10 in. what is the volume of the sphere?

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.