Use n for " a number " three increased by the quotient of a number and two​

If you could answer these your a life saver

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.