How did ralph waldo emerson impact american society? a. he led the transcendentalist movement. b. he founded new harmony, indiana. c. he wrote walden. d. he created a community united around his religion.

6ix9ine ft. lil baby tic toc.

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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