Which of the following statements best describes the graph of -5x + 2y = 1? (4 points) O It is a curve joining the points (-5, 2), (2, 3), and (4,1).
O It is a curve joining the points (-1, -3), (-1, -3), and (1,5).
It is a straight line joining the points (1,3), (3,8), and (-3, -7).
It is a straight line joining the points (4, -3), (-1,2), and (-4, 5).

(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.