Find the missing length indicated leave your answer in simplest radical form

Me. i need an answer asap. , you! select the correct answer from each drop-down menu.simplify the given polynomial and use it to complete the statement.the polynomial simplifies to an expression that is a blank with a blank degree of blank .

Evaluate the following expression 1/3^2

Find the commission on a $590.00 sale if the commission is 15%.