What is the answer for x?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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.