Can someone help me answer these questions.. I am confused..

Sue and Ann are taking the same English class and decide to study together. The probability that Sue makes an A in English is 0.47 and the probability that Ann makes an A is 0.37. The probability they both make A's is 0.22. (a) Are the events "Ann passes" and "Sue passes" independent events? A no v Are the events "Ann passes" and "Sue passes" mutually exclusive events? no (b) What is the probability that Sue makes an A but Ann doesn't? X (c) What is the probability neither girl makes an A? 0.33 V (cl) If Sue makes an A, what then is the conditional probability that Ann will also make an A? 0.468 g (e) If Ann makes an A, what then is the conditional probability that Sue will not make an A? X