Given I have multiplication of integers, with an odd amount of neg(-) signs what; is the sign of my final answer?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

50 points~ ! i have to turn this in tomarrow