A triangle is rotated 90° about the origin. Which rule describes the transformation? O (x, y) -x, -)
O K. y)-(Y. x)
O «.y)-Y-x)
O («.y) - .-x)

question

which are human systems?

the amazon rain forest

the appalachian trail

the george washington bridge

the himalayas

the hoover dam

the north american free trade agreement

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