The poster below is from 1917: What is the most likely purpose of this poster?
To recruit Canadians to join the British army
To encourage Americans to fight alongside the Allies
To request monetary support from the United States
To reinforce the belief that America should stay out of foreign affairs

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

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.

they consider la nina a warm place and el nino a cool place but all aoround its pretty neatrual