The bottom left one is the only function there.
The answer would be a positive 15.1 or +15.1 because the positive number is greater than the negative which would make your answer positive, thats why you got it wrong :)
Answer:
Step-by-step explanation:

First find the probability of getting 2 and 3 or 1 and 4 and toss the dice. multiply this by 288 ;)