In tennis a player needs to win 2 out of 3 sets to win a match. Once a player has won 2 sets, the match is over. Andy calculates that he wins 78% of all of the sets he plays. What percentage of his matches does Andy win?

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

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the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

answer: what is the question you're trying to ask?

step-by-step explanation: