Ky wants to buy three shirts which were originally price 49.96 dollars eachhistorical discount the price of the third shirt and then apply a 71.5% text to the total cost of the three shirts including the tax what will be the mean cost of each shirt? a) $41.99 b) $42.70 c) $44.59 d) $45.18

(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.