NEED HELP PLEASE The collapse of the U. S. economy demonstrated that: prosperity was not possible in peacetime. capitalism was losing ground to Marxist communism. the United States was not a world power. the economies of the world are connected.

because of its location and commercial importance, atlanta was used as a center for military operations and as a supply route by the confederate army during the civil war. therefore, it also became a target for the union army. general william tecumseh sherman and his troops captured the city in 1864.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

im not sure on this one

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma