During the Hellenistic Age, Archimedes made advancements in "mathematics"--specifically in the realm of geometry, since he developed innovative ways to calculate volume, area, etc.
Answer:
I think choice 2 if im right make me brainliest.
Explanation:
Calpurnia tries to prevent Caesar from going to the Senate House because she had nightmares of his death (B).
It would be "a. Johannesburg" that is a regional hub of commerce and has South Africa's premier international <span>airport. In fact, this city acted as a major commerce and trading hub for hundreds of years. </span>