Multiply Do Not Simplify $$\frac { x - 9 } { 5 - x } \cdot \frac { - 1 } { - 1 }$$

question 9

Multiple Choice

Multiply. Do not simplify.
- $$\frac { x - 9 } { 5 - x } \cdot \frac { - 1 } { - 1 }$$

• A) \(\frac { ( 5 - x ) ( - 1 ) } { ( x - 9 ) ( - 1 ) }\)
• B) \(\frac { x - 9 } { ( 5 - x ) ( - 1 ) }\)
• C) \(\frac { ( x - 9 ) ( - 1 ) } { 5 - x }\)
• D) \(\frac { ( x - 9 ) ( - 1 ) } { ( 5 - x ) ( - 1 ) }\)

---

Definitions:

Neurotransmitter Systems

Networks of neurons that communicate via chemical messengers known as neurotransmitters, playing key roles in brain function and behavior.

Addictive

Having the quality of causing or capable of causing addiction, typically used in reference to substances or behaviors.

Euphoria-Producing

inducing a feeling of happiness, confidence, or well-being, often more than what is normal or justified.

Tolerance

The process by which the body becomes less responsive to a substance or a stimulus after repeated exposure.