Which describes a characteristic of native american literature?
its exact origin is unknown.
it emphasized public education.
it interpreted events as messages from god.
it was written down by women.

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 anwser is a) to prevent military conflict