Answer:
Their system of mathematics.
Explanation:
The Maya discovered zero. Most of the world's civilizations had no concept of zero at the time of the Mayans. Without zero there would be: No algebra, no arithmetic, no decimal, no accounts, no physical quantity to measure, no boundary between negative and positive numbers, and no computers. The Mayan’s discovery of zero was one of the most significant steps to get to where we are today.
The counting system was so simple. The Mayans figured out a genius system of counting which only required three symbols, a dot, a line, and a shell. These three symbols could be used in various combinations to keep track of the calendar and do arithmetic. Even the most uneducated people could use it to do basic trade.
Santa cruz in 1791. Hope this helps! Let me know if you need more help!
9(7+2)
His neighbor is out of town for nine days and he gets paid for these things every day so you would put the nine outside of the parentheses. You put seven plus two inside the parentheses because he is paid the sum of these numbers every day his neighbor is gone.
The Origins of the Cold War<span> are widely regarded to lie most directly in the relations between the </span>Soviet Union<span> and the </span>allies<span> (the </span>United States<span>, </span>Great Britain<span> and </span>France<span>) in the years 1945–1947. Those events led to the </span>Cold War<span> that endured for just under half a century. </span>
