Remove Parentheses and Simplify

question 63

Multiple Choice

Remove parentheses and simplify.
--10(3r + 4) + 2(10r + 8)

• A)-70r
• B)-10r - 24
• C)-7r - 6
• D)-10r + 4

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Definitions:

ECG Equipment

Devices used to record the electrical activity of the heart to diagnose heart conditions.

Multichannel

Refers to the capability of ECG equipment of processing impulses from multiple leads.

Impulses

Sudden strong urges or desires to act without premeditation or reflection.

Electrocardiography

A medical test that measures the electrical activity of the heart to identify various heart conditions.