Write One or More Inequalities That Describe the Set of Points

Multiple Choice

Write one or more inequalities that describe the set of points.
-The interior of the sphere $x ^ { 2 } + y ^ { 2 } + x ^ { 2 } = 36$

A) $x ^ { 2 } + y ^ { 2 } + x ^ { 2 } \leq 36$
B) $x ^ { 2 } + y ^ { 2 } + x ^ { 2 } \leq 6$
C) $x ^ { 2 } + y ^ { 2 } + x ^ { 2 } < 36$
D) $x ^ { 2 } + y ^ { 2 } + x ^ { 2 } < 6$