Solve the mystery. it is between 25 and 40.the sum of the digit is 8.the mystery number is not 26

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

(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.