a beef Bologna sandwich has two slices of bread with a layer of Bologna between them. Each slice of bread 1.8 cm thick and the Bologna is 0.6 cm thick how thick is the sandwich

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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

Pranza plotted point a in the coordinate plane below.