If the ratio is 22:7 what is the circumference if the diameter is 14

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

What is the solution to the division problem below x3+x2-11x+4/x+4

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.