Mathematics, 23.06.2019 16:30 manuell090203
There are 30 students in a class. the teacher will choose 2 students at random to represent the class at an assembly. how many groups of 2 students can be chosen? a. 870 b. 435 c. 60 d. 15
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There are 30 students in a class. the teacher will choose 2 students at random to represent the clas...
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