Which hellenistic inventor and mathematician experimented with levers, created a machine for raising and transporting water, and determined formulas calculating the surface area and volume of a sphere?
a. eratosthenes
b. pythagoras
c. aristotle
d. archimedes

that Hellenistic inventor and mathematician would be : D. archimedes During his bath time, archimedes found out that if an object is partially or completely submerged in a fluid, it will create a force of magnitude which is equal to the fluid in opposite direction from where it's come from, which is leveraged in the development of modern ships

The first one is russia because in russia they were on the rough times and they never had a way to get out of

Cwould be the answer