HELP ME PLEASE IT HAS TO BE IN FRACTION FORM OR AN INTEGER

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

Ineed in figuring out this problem.

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.