In 5 years Chim will be three times as old as Jared. The sum of their ages is 42. How old are Chim and Jared.

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction