Dave and mary depart from the bus station at 10 am traveling in opposite directions. dave's bus is going 40 miles per hour and mary's is going 50 miles per hour. at what time will they be 270 miles apart?

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

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Match the one-to-one functions with the graphs of their inverse functions.