The stem-and-leaf plot lists the number of signatures collected by different volunteers. how many volunteers collected fewer than 30 signatures

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

(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.