The Maya and Aztec are two different groups of people at different time periods in roughly the same geographical location. The Mayas came first but both were considered to be advanced civilizations for their time periods.
developed complex mathematical and calendar systems
Maya, olmec, Aztec and incas
Highly developed studies of astronomy, medicine, mathematics, art. Their architecture is outstanding as well.
aztec
Inca
The most important was the Aztec or Mexicacivilization.
Mayan, Incan and Aztec civilizations each developed calenders, mathematics, writing and other record keeping systems.
yes
maya or mayans
The Maya and the Aztec were two separate cultures with the Aztec developing after the decline of the Maya. Features of Aztec culture were probably taken from the Maya and others probably developed independently. Some archaeological sites in the Yucatan show signs of a transition between the two cultures.
Several of them, but the most important included the Aztec and Maya civilizations.
developed complex mathematical and calendar systems
because i don't know
complex architectural structures.
developed complex mathematical and calendar systems
Maya or Mayans
Maya or Mayans.