Simplify: -18a + 14a + 15a

question 95

Multiple Choice

Simplify: -18a + 14a + 15a.

• A) -19a
• B) 47a
• C) -17a
• D) 11a

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Definitions:

Peripheral Vascular Disease

A circulation disorder that causes the blood vessels outside of the heart and brain to narrow, block, or spasm.

Atrial Fibrillation

A heart condition characterized by an irregular and often rapid heart rate, leading to poor blood flow.

Disposable Sensor

A single-use sensor designed for monitoring various physiological parameters, ensuring sterility and reducing the risk of infection.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood, usually with a clip-on device.