Who or what manages the economy and determines production in a planned economy? a. a tribal leader b. the forces of supply and demand c. an elected committee of experts d. the government select the best answer from the choices provided. a b c d

The answer would be "B"

(context) Supply and Demand are basically the two reasons the economy exists

(more context) Supply and Demand drive everything because when somebody wants something they buy it and in order the buy it somebody needs to make it therefore it controls everything

Its not B its D the government

Explanation:

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)