Can someone help me this is my last question on this assignment

Volume of a cylinder with a radius of 13 in and height of 30 in

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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