To become a citizen of the united states, you must a. file a request form in a federal court. b. pass an english and government test. c. have lived in the united states for at least six months. d. be at least 21 years old.

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

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

cause : british fleet attacks to resupply their troops the battle of yorktown malaria broke out among armies

description general george washington, commanding a force   french and continental troops,   battle of yorktown against british general lord charles

with the winner being george washington.