Answer:
5) 350 girls
8) all but irrational, that is, {natural, whole, integer, rational}
Step-by-step explanation:
5) The total number of ratio units is 5+7=12. The total number of students is 600, so each ratio units stands for 600/12 = 50 students. Then the 7 ratio units that are girls stand for 7·50 = 350 girls.
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8) √100 = 10, a natural number, whole number, integer, and rational number. Since it is rational, it is not irrational.
