What is the equation of the line passing through the point (2,3) and perpendicular to the line = 2 + 7?

Ineed to know the answer right now! !

(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.

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i