Find the Volume of the Indicated Region $z = 1 - \frac { x ^ { 2 } } { 9 } - \frac { y ^ { 2 } } { 100 }$

Multiple Choice

Find the volume of the indicated region.
-the region bounded by the paraboloid $z = 1 - \frac { x ^ { 2 } } { 9 } - \frac { y ^ { 2 } } { 100 }$ and the $x y$ -plane

A) $45 \pi$
B) $150 \pi$
C) $15 \pi$
D) $10 \pi$