A lamp post casts an 18ft shadow. If Chris’s shadow is 6ft long and his height is 5.25ft, what is the height of the lamp post? (Will mark brainliest)

(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.