What civilization developed mathematical system that was based on the number 20?Group of answer choicesIncaOlmecAztecMayan

Which of the following is the contribution of the Olmec civilization to mankind?Group of answer choicesUse calendar and developed counting system.none of the abovedeveloped the mathematical system that was based on the number 20.transformed steep mountainsides of their highlands.Next

mathematics in the following six societies: Ancient Egyptian, Mesopotamian, Mayan, Hellenic and Ancient and Medieval Chinese and Indian. Answer each of the questions below for each of these societies.If possible, give an example of a mathematical statement with explanation/proof/justification that was given to establish its truth. If not possible, that is, if there is no mathematical statement with justification, give only the mathematical statement.

What civilization gave mankind various practical inventions such as the inclined plane and pulley?Group of answer choicesBabylonianGreekall of the aboveEgyptian

discuss the mathematical systems used by Aboriginal and Torres Strait Islander peoples, including how they differ from traditional western systems (70 words).

Why did the Maya develop the numeral zero?zeros made math harder for smart peoplezeros confused people from enemy citieszeros made calculations easier