When you have two mutually exclusive events, to find the probability of one or another, you add the probabilities.
65+7=72
Final answer: B
I'm not an expert at this but the answer should be 13.9 or 14
In order of the questions:
Q1: -1/2
Q2: -3/4
Q3: -10
Q4: -13
Q5: 21
In order from smallest to largest:
Q4 Q3 Q2 Q1 Q5
The answer is 246.7799352750809, but you can round it and say 246.78