A rate in which the first quantity is compared to 1 unit of the second quantity

Precalculus question, image attached.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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.