The moon takes.exactly one month. did that help?
4/5 > 2/7 is the answer
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y = - 3
Since y varies directly as x then
y = kx ← ( k is the constant of variation )
to find k use y = - 1 when x = 3
k =
=
= - 
hence y = -
x
when x = 9, then
y = -
× 9 = - 3
Given that diameter of the base of the cylinder = 8 ft
Given that height of the cylinder = 6 ft
We have to find the surface area of the cylinder in terms of pi.
So we need to use formula of surface area of the cylinder which is

where h= height = 6
r= radius = diameter/2 = 8/2 = 4
Now plug these values into above formula




Hence final answer is
square ft