I NEED HELP ASAP 9 and 10 will mark BRAINLIST if RIGHT

The function models the number of accidents per 50 million miles driven as a function

(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.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart