PLEASEE I REALLY NEED HELp Plus 30 coins Brainlist too

For each question, solve for the length of the unknown side, as

denoted by the variable. You may round your answers to the nearest

tenth, if necessary. Make sure you show all steps needed to solve the

problem.

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