What is the slope of a line that is perpendicular to the line containing the points 12,-8) and (5,-4)

(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.

I’m not good at math can i have ? ?

The table shows the height in feet of several students in miss patel’s class