How I do this plzz help​

(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.

How many possible outcomes are there when sharya spins the spinner shown below twice?

Simplify: -2x 3 (-4) x 6 x (-5) x (-3) x 9