Acar traveled 360 km in 6 h. a train traveled 400 km in 8 h. a boat traveled 375 km in 5 h. which has the fastest average speed

(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.