3 part integer ProblemsOnline version Match the results with the problems listed. Are they positive, negative, zero, or undefined. by Rachel Clarin 1 Zero 2 Positive 3 Negative 4 Undefined -3 + 1 x 3 0 x (6-12) 18 - -2 - 20 0 / (4+5) -12(-3) + 7 35/( -7) + 6 -42/(-6) + 5 - 8 -13(-2) - 16 - 8 10(-60) - 18 5(-4) - 8 3 + 2(-10) -12/4 - 5 5/0+ 0 (18+16)/0 12 x 6 / 0 18/0