1) Determine if each of the following statements is true(T) or false(F). 4- For any closed subset A of a metric space, A' C A 5- In a metric space, the intersection of any family of open sets is open....

I need the answer quickly

Extracted text: 1) Determine if each of the following statements is true(T) or false(F). 4- For any closed subset A of a metric space, A' C A 5- In a metric space, the intersection of any family of open sets is open. 6- For any subset A of a metric space, (A°)° C A°.