Bryan worked 20 hours last week. he earned $100. how much did he earn per hour?

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.

Which value of y will make the inequality y< -1 false?

Find the amplitude of a sinusoidal function that models this temperature variation