How much higher is 500 than negative 400

Which function is shown in the graph below?

Me. i can't figure out this question. give an explanation too. .

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.