One month Debra rented 8 movies and 3 video games for a total of $38. The next month she rented 2 movies and 5 video games for a
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Assuming 
does not include the plane 
, we can parameterize the region in spherical coordinates using
where
and 
. We then have
Then the surface integral is equivalent to
We have
So the surface integral is equivalent to
where
.
where
Then the surface integral is equivalent to
We have
So the surface integral is equivalent to
where
