Melissa and tomas are playing a game with complex numbers. if melissa has a score of 5 – 4i and tomas has a score of 3 + 2i, what is their total score?
8 – 6i
8 + 6i
8 – 2i
8 + 2i

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?