Why people ask mathematics question

According to the article 13 of the articles of confederation,what percentage of votes by the states was required to ratify any amendments

Which trade organization is responsible for 90% of the world's trade? the eu asean the wto o nafta

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects