Answer:
9. even
10. odd
11. 1
12. positive
Explanation:
9. the product of any two even integers
4 times 6 is 24 which is even
10. the sum of an even integer and an odd integer
4 + 7 = 11 which is ODD
11. the quotient of a number and its reciprocal
2 times 1/2 = 1
12. the quotient of two negative integers
-12 divided by -4 is 3