Use the diagram of the sphere and then answer is volume leaving in terms of x and then rounded to the nearest tenth (Not of the values witte used)
d = 14
Volume in terms of pi:
Volume (nearest tenth)

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

How do i do this activity, is appreciated

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.