Which of the following three expressions uses the economists definition of money?

Which of the following three expressions uses the economists definition of money?

1. Which of the following three expressions uses the economists definition of money?

a. How much money did you earn last week?

b. When I go to the store, I always make sure that I have enough money.

c. The love of money is the root of all evil.

2. There are three goods produced in an economy by three individuals:

Good Producer
Apples Orchard owner
Bananas Banana grower
Chocolate Chocolatier

If the orchard owner likes only bananas, the banana grower likes only chocolate, and the chocolatier likes only apples, will any trade among these three persons take place in a barter economy? How will introducing money into the economy benefit these three producers?