What type of economy is an economic system in which private businesses can operate freely with minimal state control

Identify which of the twelve basic functions listed below fit the description given.

How supply and demand work together to reach the equilibrium price in the marketplace? give at least a paragraph. you!

Hanna intends to give her granddaughter, melodee, her antique hat pin. this heirloom has been kept under lock and key in the wall vault in the library of hanna's house in virginia. the hat pin is currently the only item in the vault. when hanna is visiting melodee in connecticut, hanna gives melodee the only key to the vault. melodee is grateful for the present and excitedly accepts. in this situation has there been a completed gift?