Select the Correct Answer for Each Question

question 23

Multiple Choice

Select the correct Answer for each question.
-Simplify the expression.

• A)9
• B)18
• C)216
• D)729

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Definitions:

Sound

Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.

Perfectly Flat

Describing a surface that is completely smooth and level, without any bumps, curves, or inclines.

Valid

In logic, refers to an argument where, if the premises are true, the conclusion must also be true.

Robust

Describes something strong, healthy, or capable of withstanding tough conditions without breaking down or failing.