The Tables Below Give the Numbers of Some Species of Threatened

question 16

Multiple Choice

The tables below give the numbers of some species of threatened and endangered wildlife in the United States and in foreign countries in 2003. Let A represent the matrix that contains the number of each of these species in the United States in 2003 and B represent the matrix that contains the number of each of these species outside the United States in 2003. Find the matrix B - A. What do the negative entries in matrix B - A mean? ​
​United States ​Foreign ​ ​

• A)​ The negative entries tell us that that particular species is extinct.
• B)​ The negative entries tell us how many more endangered or threatened species are in foreign countries.
• C)​ The negative entries tell us that there are more endangered or threatened species in foreign countries.
• D)​ The negative entries tell us that that particular species is extinct.
• E)​ The negative entries tell us how many more endangered or threatened species are in the United States.

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Definitions:

Interest Charges

Costs incurred by borrowers for the use of borrowed money, typically expressed as an annual percentage rate.

Long-Term Debt

A financial obligation that is due for repayment in more than one year's time.

ROE

Return on Equity (ROE) is a measure of a corporation's profitability that reveals how much profit a company generates with the money shareholders have invested.

Total Assets Turnover

A financial ratio that measures the efficiency of a company's use of its assets to generate sales revenue.