If a is a positive integer, and if the units digit of $$\mathbf{a}^{2}$$ is 9 and the units digit of $$\mathbf({a}+{1})^{2}$$ is 4, what is the units digit of $$\mathbf({a}+{2})^{2}$$ ? Select one of the following answer choices A 1 B 3 C 5 D 6 E 14 Submit Log in or register to post comments