<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a</span>
84÷2=42. 84÷3=28. 84÷4=21. 84÷6=14. So your answer is true.
Answer:
0.033
Explanation:
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I am not sure but I think that it is either the First option or the Third option but you would probably need more information.