A sphere has a diameter of 14cm. Determine either 1. The surface area of the sphere

Or

2. The volume of a sphere

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Which choice represents the sample space ,s for this event

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%