Question

If the origin is the centroid of the triangle with vertices
P(2a, 2,6), Q (-4,3b, -10) and R(8,14,3c). Then the values of
a, b and care
A)-2, -16/3 and -4/3
B) 2,16/3 and 4/3
C) 2, -16/3 and 4/3
D)-2, -16/3 and 4/3
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Answer 1

Can you imagine a world without merchants, where we are left to our own devices to acquire goods and services without middlemen? Sounds like a harsh place to be. The sale and trade of goods defines much of the development and history of the world.

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