Halle la ecuacion de la linea recta "L" que tenga pendiente -2 y que pase por el punto de interseccion de las lineas rectas L1 :2X + Y= 8 y L2:3x – 2y + 9 = 0

(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.