In a classroom, 2/12 of the students play baseball, 4/12 play football, 1/12 are in the chorus and the rest participate in volunteer programs. what fraction of the students participate in volunteer programs?

(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.