The science club went on a two day field trip . the first day the members paid $60 for transportation plus $15 per ticket to the planetarium the second day they paid $95 for transportation plus $12 per ticket yo the geology museum write and expression to represent the total cost for two days for the n members of the club.

(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.