Answer:
<h3>the percentage change in quantity demanded divided by the percentage change in price.</h3>
Explanation:
- The basic feature of price elasticity of demand is to indicate that elasticity of demand of a good or a service change according to the change in the price of the good or the service.
- The price elasticity of demand measures the consumers' behavior of quantity demanded to a change in price. It is the percentage change in quantity demanded divided by the percentage change in price.
- Symbolically, it can be written as:
Elasticity of demand= 
These roles are: (1) chief of state, (2) chief executive, (3) chief administrator, (4) chief diplomat
examples
1. As chief of state, the president presides over commemorations of war heroes, throws out the first pitch at baseball games, and attends funerals of world leaders, among other duties.
2.Chief Executive is a term used for Presidential or Prime Ministerial powers given by a constitution or basic law, which allows its holder to implement policy, supervise executive branch of government, prepare executive budget for submission to the legislature, and appoint and remove executive officials.
3. Providing input for business and strategic planning. Setting goals for departments and individual managers. Collaborating with colleagues to implement policies and develop improvements.
4.The president is the nation's chief diplomat. He or she deals directly with the heads of foreign governments.
An animal known with the term banded is a Nine-banded armadillo.
Answer:b) voluntary simplicity
Explanation:
What is voluntary simplicity?
Voluntary simplicity in simple terms is choosing to live a simple life without demanding too much materialistic things or riches of this world.
People adopt voluntary simplicity in order to make their lives to be as simple as they can be for them and their families as a result putting less stress on the environment as they demand less and less from it.
Voluntary simplicity discourages the idea of searching for happiness in wealth and the belief that one can be happier only if they have accumulated more materiaristic things of this world.
When people have chosen voluntary simplicity it reduces the demand they put on environmental resources which has a positive impact on the environment .
People who live this way believe we are free to have enough but not more than what we need.
Instead of looking for expensive goods, cars and big houses they choose simple life where one can own just one car( less pollution ) in an average house