Achocolate bar measures 30 mm wide, 70 mm long, and mm high. will’s wrapping company is making a wrapper to cover the chocolate bar. use the correct net and determine how much paper will be needed to make the wrapper.

(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.