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Question* im a dumb |:
I can answer from least right off -4, 4/3, square root of 10... Now to help you figure out the subsets I suggest this site http://www.studyzone.org/mtestprep/math8/a/number_subsets7l.cfm -4 is an interger, 4/3 is a rational number, and the square root of 105 is irrational....Does this help?