Which is the most simplified version of the expression
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Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Arational number that is equivalent to -20/4?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120