Ok this came to my math problem ŶĞƋƵĂůŝƟĞƐ ǁŝƚŚ sĂƌŝĂďůĞƐ ŽŶ ŽƚŚ ^ŝĚĞƐ
WTH is this!!!

(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.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Im so bad at fractions they are not my best math thing to work on