What is the approximate volume of a beach ball with a diameter of 18 inches?

Is a left renal cortical cyst (4.3 cm) something to be concerned about? What is X divided by negative 2 equals 25? How many definitions are there for the word up? How do you solve the problem of finding the value of 327 in the mod 7 system? What day of the week was October 14 1978? Was King James the husband of Queen Jezebel in the bible? Which is greater length 2 yards or 5 feet? What is the name of a solid that has more than six faces? How do you write 7.65 million dollars in figures? What is the LCM of 375 and 540? How do you tell if a number is divisible by 8? What can 15 and 6 both go into? In Josephine's purse there were 28 ten-dollars notes and twice as many two-dollar notes as ten-dollar notes She also has 30 five-cent coins How many money did she have in her purse? What is the square root of 637? What is the prime factorization of 32 with a factor tree? How many miles per hour is 5 miles at 3.36 minutes per mile? A fair die is rolled 180 times what is the probability of rolling a six? What is the level of measurement for height in statistics? What are the steps taken to get the diagonal measurement of a rectangle? What 3 classical empires collapsed from 200-300 CE?