Final answer:
Archimedes was the Hellenistic inventor and mathematician who experimented with levers, created a machine for raising and transporting water, and determined formulas for calculating the surface area and volume of a sphere.
Step-by-step explanation:
Archimedes was the Hellenistic inventor and mathematician who experimented with levers, created a machine for raising and transporting water, and determined formulas for calculating the surface area and volume of a sphere. His principle of buoyancy, known as Archimedes' principle, is still widely used today.
Learn more about Archimedes' inventions and mathematical contributions