$\sqrt{-144}$  

 $3_{\sqrt{-1}}$  (cube root of -1)

The area of a square painting is 81  $cm^2$  . What is the length of one side?

 $-6^2$  = ? 

 $\left(-6\right)^2$  = ?

 $\sqrt{\left(\frac{16}{81}\right)}\ \ =\ ?$  

Solve for p when  $p^2=100$  

Solve for x when  $x^3=\frac{1}{8}$  

Write an equation for the phrase "Two cubed is equal to the square root of x".

A cube with side length s has a volume of 64 cubic units. What is the length of one side?

Select the set with all perfect squares.

Which of the following is irrational?