A sumo wrestling ring is circular and has a circumference of 4.6π meters. What is the area A of the sumo wrestling ring in square meters? give your answer int terms of π

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places

For what values of a is the sum of the fractions 2a−1 / 4 and a−1 /3 positive?

Exits on an interstate are numbered consecutively. the distance between exit 12 and exit 13 is 2.7 miles. the distance between exit 13 and exit 14 is 0.9 mile farther than the distance between exit 12 and exit 13. the distance between exit 13 and exit 15 is 6.8 miles farther than the distance between exit 12 and exit 14. the distance between exit 14 and exit 15 is miles.