rachel invites thirty guests to her party, and she wants to provide party gifts for her guests. she represents the relationship between guests (x) and the number of party gifts (y) using different representations. if the patterns in the table and graph continue, which item would she need the most of for 30 people?

(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.

Find two consexutive odd integers such that the sum of their square is 650

Solve the formula ax+ by = c for x.