During the hellenistic age, archimedes made advancements in geography. mathematics. medecine. philosophy.

The correct answer is B. mathematics.

Archimedes was a Greek physicist, engineer, inventor, astronomer, and mathematician. He is considered one of the greatest scientists of the Classical world and one of the greatest mathematicians in History. He used the method of exhaustion to measure the area under a parable and gave a very accurate approximation to the number pi. He also defined the spiral named after him, many formulas to calculate volumes, and a clever way to express long numbers. His works were fundamental to the development of calculus, algebra, and geometry.