Why would flatboats not work on all means of river transportation? They had no mechanization to maneuver.
They were able to handle currents in all directions.
They could go on most trips up and down river.
They did not have any overhead cover.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

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

danielu suge pula

explanation:

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