Evaluate  $9^2\ +3^2\ .\$  

 $3\sqrt{144}\ =\ ?$  

 $Evaluate\ \sqrt{225\ }\ \ +\ \sqrt{169}\ .$  

Michelle purchased a kids table with a square top. If the area of the square top is 400 square inches, what is the length of one of the sides?

 $\left(\frac{5}{6}\right)^2$  = ______. Leave your answer as fraction form.

A pyramid has a square base with an area of 169 ft². What is the perimeter of the base of the pyramid?