1/2AB=1/2(a)(r) + 1/2(b)(r) + 1/2(c)(r)

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.

And the spark struck out by that steed, in his flight, kindled the land into flame with its heat.what do you think he meant

At the beginning of world war i, what policy did wilson support?