Answer:
Valuable; rare
Explanation:
In the airline industry, frequent flyer programs, ticket kiosks, and e-ticketing are all examples of capabilities that are ___ but no longer ___.
A mass movement of funds invested in the stock market could result in a stock market crash such as that of 1929.
Answer:
Felicia’s mother is four times as old as Felicia. In 16 years, her mother will be twice her age. How old is Felicia now?
Explanation:
