Atrain travels from chicago, il to los angeles, ca in 1 day and 15 minutes. the distance between the two cities is 2,015.3 miles. how fast was the train going on average?

Find the vertex of the function given below y=x^2-6x+1

Write 17/20 as a decimal and as a percent.

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