Find the x-intercepts of the parabola with vertex (-2,-8) and y-intercept (0,4).
Write your answer in this form: (X1,71), (X2,72).
If necessary, round to the nearest hundredth.
Enter the correct answer.

What is the volume of the sphere shown below with a radius of 3?

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

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?