Mayan achievements and inventions include all of the following, except .
a. a base 20 mathematic system
c. 365-day calendar
b. a written language
d. the wheel

They had a 20 mathematic system, a 365-day calendar and a written language but they did not have the invention of the wheel.

D

Explanation:

wwii

explanation:

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.