Which list puts the event leading to the development of civilizations in the correct order? (middle school)

The ancient civilization known to men were the Sumerians. Modern history dates the establishment of the Sumerians approximately 5000 BC. They settled in the middle of the Tigris and Euphrates River, in the Middle East region of what today is Iraq. They founded powerful city-states such as Uruk, Ur, Eridu, Nippur, Kish, and Lagash.

Then, the ancient Egypt civilization. They settled in the banks of the Nile River in North Africa. Historians debate on its origin but some agree that it was approximately 3500 to 3000 BC.

The Indus Valley civlization settled in the northwest part of South Asia, next to the Indus River, almost 3000 to 2500 BC.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

c, because the american revolution was from 1765 to 1783.