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q1) math hw: which number belongs to the following sets: intergers, rational numbers, and real numbers? A)1/3 B)-7 or C) √2
q2) a vollyball team scored 14 more points in itts first game than in its third game. in the second game, the team scored 28 points. The total number of points scored was less than 80. What is the greatest number of points the team could have scored in its first game?
q3) simplify the expression: {-1, 0} is closed under multiplication. Explain why the set is closed or is not closed.
plz answer like this : q1) *answer*  q2) *answer* q3)*answer*