How to do i need help solve

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.

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

Yvaries inversely as x. y =12 when x=5. find y when x=4