ADEF with vertices D(1,2), (3,4), and (1,4) is reflected in the y- axis, and then its image is reflected in the line y = x. Which single
transformation moves the triangle from its starting position to its final
position?

(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.