Why do you average income is an important criterion for development

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18

Government run farms are known as a. pastoral b. collectives c. irrigation d. dalits

How many countries were represented at the paris negotiations (where the treaty of versailles was signed) in january 1919?