Simplify the Rational Expression $\frac { m ^ { 2 } - 9 m } { 9 - m }$

question 29

Multiple Choice

Simplify the rational expression.
- $\frac { m ^ { 2 } - 9 m } { 9 - m }$

• A)-(m + 3)
• B)m + 3
• C)-m
• D)m

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Definitions:

Polypeptide Chains

Proteins are formed from long sequences of amino acids connected by peptide bonds, which then fold into unique three-dimensional shapes.

Amino Acids

Organic compounds that serve as the building blocks of proteins, combining in various sequences to form the diverse range of proteins.

ATP

Adenosine triphosphate, a molecule that carries energy within cells for metabolism.

Energy Transfer

The movement of energy from one location to another or one form to another, typically involving processes like heat transfer, work done, or the flow of electrical energy.