Answer:
A,C,D
Explanation:
Because it just sounds like so much fun
Jeff Bezos. | Amazon. | $112 billion.
Bill Gates. | Microsoft. | $90 billion.
Warren Buffett. | Berkshire Hathaway. | ...
Bernard Arnault & family. | LVMH. | ...
In which country? some countries don't have a president (UK) and some don't have a prime minister. Generally, if a country has both, the president has more of a representative function (meeting other heads of states, signing important documents) and the prime minister has the actual power (deciding policies, deciding about foreign relations etc.)