If you help me with these you will get 40 points and brainiest !!!

Which table represents a linear function? i'll give brainliest to first answer ^'^

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.