Brainlies usatestprep find the volume of a sphere of radius 3 centimeters. there is no pic a. 27π cm^3 b. 36π cm^3 c. 108π cm^3 d. 81/4π cm^3

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

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?

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet