The time to prepare a field for plating varies inversely to the number of people who are working. A large field can be prepared by 5 workers in 24 days. How many workers would be required to prepare the field in 15 days?

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?