Write the symbol used in the following language of mathematics: 1. The complement of the complement of A 2. The set of rational numbers 3. The Cartesian product of B and C 4. 3 is an integer 5. The...

Write the symbol used in the following language of mathematics:

1. The complement of the complement of A

2. The set of rational numbers

3. The Cartesian product of B and C

4. 3 is an integer

5. The value of y ranges from -4 to 5

6. The square of a number is positive

7. J belongs to both sets A and B

8. Point A's distance from D is equal to point B's distance from D