You have a spherical water tank that is exactly half-full. In order to empty the tank the water must be sent through a spout at the top that extends 1 meter above the top of the tank. The radius of the tank is 6 meters. How much work is required to empty the tank? Include every step and write your solution out very clearly.

How do you find the area of a triangle

What is the value of x in the equation 1/5x - 2/3y = 30 , when y = 15

Astudy found that the variance in the number of vehicles owned or leased by subscribers to a magazine is .094. assume a sample of 12 subscribers to another magazine provided the following data on the number of vehicles owned or leased: 1,1,1,0,3,2,1,1,2,1,0, and 1 a) compute the sample variance in the number of vehicles owned or leased by the subscribers (to 4 decimals). b)test the hypothesis to determine whether the variance in the number of vehicles owned or leased by subscribers of the other magazine differs from .calculate the value of the test statistic (to 3 decimals).