Find the missing angle measure, arc measure or solve for x. Show all work!!

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

(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.