Simplify. Write your answer in
polar form
2(cos 150 + i sin 150). 5(cos 270 + i sin 270)

1. what is the measure of ∠abc? what is the measure of ∠abd?

(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.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8