Multiply the Expressions $$a ( a + 2 b )$$ A) $2 a + 2 a b$

Multiple Choice

Multiply the expressions. The exercises can be done with algebra tiles. $$a ( a + 2 b )$$

A) $2 a + 2 a b$
B) $a ^ { 2 } + 2 b$
C) $a + 2 a b$
D) $a ^ { 2 } + 2 a b$
E) $a ^ { 2 } + a b$