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The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

(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.