How did the concepts of zero and the decimal system affect mathematics? These concepts confused many mathematicians.
These concepts were lost after the Gupta Empire fell.
These concepts made multiplication and division easier.
These concepts built on the principles of Roman numerals.

maybe you need to work on the pipes in the house. i am just saying this because you did not give any details.

confucius was a great thinker and teacher, and philosopher succeeded in laying the foundations beloved.

he many principles but waht   was speak about the relationships was the third .

the third important concept , the real man's idea. he is the man who lives up to the highest moral standards. man shows five virtues: in self, generosity, sincerity, perseverance, and benevolence. his relationship is described as follows: when a son is always loyal, as a father is just and gentle, as an administrator is loyal and loyal, and as a husband is honest and fair, and as a friend, he is faithful and languid. if everything is a true happiness conference, justice and harmony will rule the empire.

d and a is the correct anwsers

explanation: