Final answer:
To expand the expression 7 (1/9a + 2), distribute the 7 to both terms inside the parentheses to get 7/9a + 14.
Step-by-step explanation:
To expand the expression 7 (1/9a + 2), distribute the 7 to both terms inside the parentheses:
7 * 1/9a + 7 * 2 = 7/9a + 14.
Therefore, the expanded expression is 7/9a + 14.