document.write( "Question 1047639: To fly efficiently, the airliner must cruise at or between altitudes of 30,000 and 35,000 ft. \n" ); document.write( "
Algebra.Com's Answer #663162 by ikleyn(52777)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Thanks for letting us informed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |