hey guys just need help with some homework, and if someone can explain how to find the "x doesn't equal" part of the problem it would be much appreciated

Asphere has a diameter of 10 in. what is the volume of the sphere?

What is the measure of angle tvu shown in the diagram below

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ