Answer:
7
Step-by-step explanation:

Break down the figure into 2 parts. Then use volume formula and multiply.
V=lwh
V=3x3x2
V=18ft^2
V=lwh
V=2x2x3
V=12ft^2
Then simply add.
18
+12
-------
30
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Answer:
A
Step-by-step explanation:
It just is
Break down the words into an equation:
(x+7)/(x+3) + (x-4)/3