Help for an exam pleasee

Find the commission on a $590.00 sale if the commission is 15%.

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.

What is perpendicular to y=-1/2x+11