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An arrangement is a permutation when we care about the order of the elements in it, and a combination when we do not. So if we are for example choosing a group of 3 people from 10 students, we do not care ab...

Business strategies are often long-term; they define goals across many years and how to work towards achieving them; specifically, strategies are often developed to work towards the business's mission.Tactic...

For an essay on a piece of literature, a good approach is to choose a unifying main theme to discuss, and to do so via a three-pronged thesis. The three prongs of the thesis will ideally each get one paragra...

Consider the standard equation for force, F = ma. In a centripetal system, the acceleration a is given by a = v^2/r. Plugging this in to the equation for force yields F = mv^2/r; hence to calculate centripet...

Consumer surplus is the benefit to people who want to buy a certain good that comes from the good being cheaper than what the consumer would be willing to pay; in other words, it is the difference between th...