Answer:
k
=x + 9/x
Explanation:: Idk hopefully this helps if not im sorry :/
Are those suppose to be words?
GDP(Gross Domestic Product), GNP(Gross National Product)<span>, the </span>per capita income, the amount of widespread infrastructure and general standard of living, and the level of industrialization are the characteristics of more economically developed nations.
Soil, water and air pollution in eastern Europe.