What is the elevation of skiier at the top of the mountain?

Two lines parallel to the same plane are parallel to eachother

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.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie