Why did civilizations like mesopotamia eventually develop a system of writing?
what activities required recordkeeping?
describe the writing system of sumer.
what was the babylonian empire, and what was the purpose of hammurabi's law?
what conclusions may be reached about trade and writing in the mesopotamia civilization?

there were three types of british colonies: royal, proprietary, and self-governing. each type had its own characteristics. proprietary colonies, such as pennsylvania, maryland, and delaware, were basically land grants from the british government.

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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.