The average farm in the United States in 2004 contained 443 acres the standard deviation is 42 acres use chebyshevs theorem to find the minimum percentage of data values that will fall in the range of 338- 548 acres

(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.