The passing standard is a scale score of 600; therefore, any score of 600 or higher is a passing score, and any score below 600 is a failing score. The number of questions that have to be answered correctly to achieve a score of 600 can change from form to form, but is generally within a 1-2 question range.
On all airlines, overweight baggage fees are normally even higher, ranging from $50 (Alaskan-Horizon Air) to $100-200 (United Airlines). Paying for checked luggage started in 2008 when American Airlines started charging a $15 fee for a first checked bag, and many airlines quickly followed suit.
Beginning Sept. 3, American Airlines will charge $150 extra fee each way, or $300 for a round-trip flight, for unaccompanied minors between the ages of 5 and 14. The airline previously charged for minors between 5 and 11. See also: Know Before You Go: All the Airline Fees by Carrier.