The circumference of a circle with the diameter of 5 cm is 15.7 cm. what is the ratio of thecircumference to the diameter?

How do i multiply two digit numbers

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

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.