Find the range of the data

27,13,35,19,71,12,66,47,39

Which of the following is a business practice to reduce coast by controlling all aspects of production in an industry

Which of the following was not a result of early humans increasing proficiency at finding food

Which action best represents the policy of appeasement followed by britain and france prior to the start of world war ii? (a)allowing hitler to annex the sudetenland as part of the munich agreement (b)signing the nazi-soviet pact binding hitler and stalin to peaceful relations (c)sending troops to fight with the liberals during the spanish civil war (d)forbidding the sale of arms to any nation at war