Answer: The 20th term is 100
Step-by-step explanation: It adds by 6 each time
-14, -8, -2, 4, 10, 16, 22, 28, 34, 40, 46, 52, 58, 64, 70, 76, 82, 88, 94, 100
You're lucky that I was able to do this :)
The answer is 
C, if there is an odd number of negatives it is negative, if there is an even number it is positive
EQUIVALENT WOULD BE THE ANSWER