To simplify the given Boolean expression using the rules of Boolean Algebra, we can apply the following steps:
Distribute the OR operator "+" over the terms inside the parentheses:
Y = AB + AA + AC + BA + BC
Replace any term that has a variable ANDed with its complement with 0:
Y = AB + 0 + AC + BA + BC
Replace any term that has a variable ANDed with itself with the variable:
Y = AB + AC + BA + BC
Since AB + BA is equivalent to A, we can simplify this expression further:
Y = A + AC + BC
So, the simplified Boolean expression is Y = A + AC + BC.
Therefore, the correct answer is: Y = A + AC + BC.