The number of songs, , Megan can download varies inversely as the price per song, . Which equation best models the number of songs she can download?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

A50% increase followed by 33 1/2% decrease