Let A and B be two independent events on a sample space . If P(A) = 0.7

Let A and B be two independent events on a sample space Ω. If P(A) = 0.7 and P(A′B′) = 0.18, find the probabilities of the events

(i) AB′;

(ii) A′B;

(iii) A ∪ B.