I suppose the integral is

The integration region corresponds to a sector of a cirlce with radius 5 subtended by a central angle of π/4 rad. We can capture this region in polar coordinates by the set

Then
,
, and
. So the integral becomes

Answer:
X is right there
Step-by-step explanation:
See?
The answer that you are looking for, for this question is D. Four thirds
Yes. do 9*8 *100 and you will find your answer for your problem. hope this helps