A snowbank that is 6 inches deep is melting at a rate of 0.5 in per hour. Write a linear function model this scenario. (Write your equation in y=mx+b form)

(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.