These letters are put on cards and then one card is drawn at random. What is the probability that a Y is drawn? T T Y Y Y R S S

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Pls! does anybody know a shortcut for answering these types of questions in the future?

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