document.write( "Question 541146: a ballon initally has a radius of 4cm. more air is blown into the ballon until it has a radius of 9cm. How has the surface area and volume of the ballon changed? \n" ); document.write( "
Algebra.Com's Answer #354077 by friesr(113)![]() ![]() ![]() You can put this solution on YOUR website! Here is a youtube video that should get you going:\r \n" ); document.write( "\n" ); document.write( "http://www.youtube.com/watch?v=XHjCbfJw4lM \n" ); document.write( " |