The function f(x) = 0.15x + 45 can be used to determine the total amount, in dollars, Aaron pays for his cell phone each month, where x is the number of minutes he uses. What does the initial value represent?

Determine whether the angles in each given pair are coterminal. 744°, -336°

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.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3