What are the four basic forms of cardinality?


The four basic forms of cardinality are: zero or one (0,1), one and only one (1,1), zero or many (0,M), and one or many (1,M).

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List three important guidelines for cell phone usage.

What will be an ideal response?

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Return on investment (ROI) is calculated as follows:

A) operating income/average operating assets B) average operating assets/operating income C) (beginning operating assets + ending operating assets)/2 D) sales/average operating assets E) operating income/sales

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The higher the rate of interest you can earn on your investments, the ________ it is to prepay an installment loan

A) more appealing B) less appealing C) There is no connection between the two. D) The connection can be made more specific; any time your investment rate exceeds the loan APR, you should prepay the loan.

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The northwest-corner rule's biggest flaw is that:

A) it ignores costs. B) it cannot generate feasible solutions. C) it never generates ideal solutions. D) it ignores shipping time. E) it does not have a visualization capability.

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