Shelly states that the triangle below are similar which proportion supports her statement

(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.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Manuela solved the equation below. what is the solution to manuela’s equation?