What is the median of the data set?

A. 45

B. 41

C. 40

D. 42

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

(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.

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}