What events took place prior to the Long Walk? a. Army horses took over Canyon de Chelly grazing grounds. b. In 1860, 1,000 warriors attacked Fort Defiance. c. For 10 years there were attacks and reprisals by both the Navajo and the Army. d. All of the above

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

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

it was douglas macarthur..