Which unit rate corresponds to the proportional relationship shown in the graph? Drag and drop the answer into the box to match the graph with its unit rate.

A graph with a line running through coordinates left parenthesis 0 comma 0 right parenthesis and coordinates left parenthesis 8 comma 10 right parenthesis.

(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.