The sum of three times a number, x, and 12

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Which of these choices show a pair of equivalent expressions?

(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.