Simplify:
Simplify:
Simplify:
Rewrite the expression in radical form. Simplify if needed.
(rationalize the denominator..meaning get rid of the radical in the denominator...similar to what you just did in #3)
Rewrite the expression in radical form. Simplify if needed.
Simplify the expression. Give final answers in simplest radical form.
Simplify the expression. Give final answers in simplest radical form.