Carran is building a fence around his rectangular yard. The fence will cover the front and the 2 sides of the yard. The front of the yard is 4 feet more than twice the length of one side of the yard. The sides of the yard are the same lengthIf the perimeter of the yard is 80 feet, what are the dimensions of the fence?

(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.