6-4x=7x-9x+8 What is the answer to my question

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Need plz been trying to do it for a long time and still haven’t succeeded