Late 19th-century technological advances in farm production meant that less farm laborers were needed. many of the farmers who lost their jobs were african americans. which statement describes what happened to the displaced farmers? a) african americans were easily able to find jobs in the north. b) many went on to establish their own farms and provide competition. c) many of them became sharecroppers on former farms where they worked. d) many african americans moved to the north and west to cities such as chicago and detroit.

answer:

true

explanation:

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

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