What was true about african americans during the war?
o
a. they commanded ships with white sailors.
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b. they joined the southern forces in great numbers.
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c. they served in army units with whites.
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d. they joined the northern forces in great numbers.

They joined the southern forces in great numbers

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34