What’s common difference of 35,32,29,26

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Indicate the formula for the following conditions: p^c(n,r)=

(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.