Use the Order of Operations to Simplify the Expression $\left( \frac { 2 } { 3 } \right) ^ { 2 } + \left( \frac { 2 } { 3 } - \frac { 1 } { 6 } \right)$

Multiple Choice

Use the order of operations to simplify the expression.
- $\left( \frac { 2 } { 3 } \right) ^ { 2 } + \left( \frac { 2 } { 3 } - \frac { 1 } { 6 } \right)$

A) $\frac { 4 } { 3 }$
B) $\frac { 8 } { 9 }$
C) $\frac { 4 } { 9 }$
D) $\frac { 2 } { 9 }$