Year Number of users (in millions) Messages per day (in billions) Messages per person per day 2015 2586 205.6 Incorrect: Your answer is incorrect. 2017 2762 226.3 Incorrect: Your answer is incorrect. 2019 2944 246.5

Specialization—the division of labor—enhances productivity and efficiency by a) allowing workers to take advantage of existing differences in their abilities and skills. b) avoiding the time loss involved in shifting from one production task to another. c) allowing workers to develop skills by working on one, or a limited number, of tasks. d)all of the means identified in the other answers.

%of the world's population controls approximately % of the world's finances (the sum of gross domestic products)" quizlket

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?