What was the outcome of the 1960 ruby bridges and the new orleans school integration?

Some White schools were integrated, and some White households eventually started to send their children back to school. Others, however, refused. Black children still faced discrimination during and after school, and White children were still taught separately.

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

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.