You can buy a skateboard for $14.40 from a friend and rent the safety equipment for $2.90 per hour, or you can rent all items you need for $4.50 per hour. for how many hours will the cost be the same.

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.