Answer: B
Explanation: the Tigris river was essential for trade and travel, the Tigris Euphrates river system was basically centered in Mesopotamia
C)<span>Cities were the cheapest places to live and offered unskilled laborers steady jobs.
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<span>British troops advanced to Washington DC and burned the White House, the Capitol, and other significant structures.</span>
Answer:
67
Explanation:
Original weight: x
Original weight reduced by 45 carats: x - 45
Final weight: 67 carats
x - 45 = 67
Solve for x by adding 45 to both sides.
Once you get x, subtract 45 and you should get 67 again.