Which numbers have the number given as their absolute value?
a. 150
b. 75.47
c. 14 1/2
d. 1250.3

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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