Add Do Not Use a Number Line Except as a Check

question 53

Multiple Choice

Add. Do not use a number line except as a check.
--13 + (-5)

• A) -8
• B) -18
• C) 8
• D) 18

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Definitions:

Theory

A well-substantiated explanation of some aspect of the natural world, based on a body of knowledge that has been repeatedly confirmed through observation and experiment.

Debriefing

The process of providing a detailed explanation to participants about the purpose and results of a study or experiment after it has concluded, often used to ensure understanding and address any concerns.

Informed Consent

The process by which a patient or participant is fully informed about the risks, benefits, and implications of a medical procedure or research participation before agreeing to it.

Voluntary Consent

The agreement to participate in a study or procedure, given freely and with an understanding of the risks and benefits involved, without any coercion.