Solve the Equation Using the Addition Principle

question 33

Multiple Choice

Solve the equation using the addition principle.
--16.9 = 21.9 + z

• A)-38.8
• B)38.8
• C)5
• D)-5

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Definitions:

Vestibular Sacs

Structures within the inner ear that contribute to the sense of balance by detecting changes in head positioning.

Nociceptors

Specialized sensory receptors found throughout the body that respond to potentially harmful stimuli by sending pain signals to the brain.

Olfactory Receptors

Specialized nerve cells in the nose involved in detecting odors and converting them into signals sent to the brain.

The Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, playing a key role in the process of hearing.