Simplify the Expression

question 80

Multiple Choice

Simplify the expression .

• A) The expression cannot be simplified.
• B) 3
• C) -6
• D) 1
• E) -27

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Definitions:

Dendrites

Root-like parts of neurons that receive impulses from other neurons.

Neurons

The basic working units of the brain, specialized cells that transmit information through electrical and chemical signals.

Axon terminals

The endings of axons, responsible for transmitting signals through neurotransmitters to other neurons or muscles.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.