You want to build a box with an open top out of a piece of cardboard that measures 20 inches by 30 inches. You do this by removing squares from each corner that are x units wide. What is the maximum volume you can create? 

Which is the graph of  ? 

Convert the equation for the parabola  to standard form. 

In Oklahoma, there was an earthquake that measured 3.1 on the Richter scale. Six years later, there was an earthquake in the same area that measured 5.8 on the Richter scale. How much more intense was the second earthquake than the first?  Use the formula  to solve. 

Using the formula  , find the intensity of music at 120 decibels.

Solve for x  . Round to the nearest hundredth.  

Check all that apply to the system of equations.

Solve for x:  .

Which polynomial has roots:  ?

Which hyperbola has the asymptotes  and  ?