Help with this question pls

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

(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.

For the inequality |c| < |d| to be true, which of the following must be true?