A sphere and a cylinder have the same radius and height. The volume of the cylinder is 18 cm.
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What is the volume of the sphere?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Factor and solve to find roots x squared -x - 90 =0