The Sum of Two Numbers Is 10

question 165

Multiple Choice

The sum of two numbers is 10. Which of the following equations shows that the product of these two numbers is 21?

• A)x(10-x)=21
• B)10x=21
• C)x(10+x)=21
• D)x(x-10)=21

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Definitions:

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The lower part of the brainstem, responsible for regulating vital bodily functions such as heartbeat and breathing.

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