Collect Like Terms $$9 a - 2 a + 7$$ A) $14 a$

question 328

Multiple Choice

Collect like terms.
- $$9 a - 2 a + 7$$

• A) \(14 a\)
• B) \(11 a + 7\)
• C) \(7 a + 7\)
• D) \(- 7 a + 7\)

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Definitions:

Physical Mechanisms

Processes or functions within a physical system that bring about a particular outcome or effect.

Empirical Reasoning

That process of thinking that proceeds from premises describing interpersonally verifiable experiences in order to support or to disconfirm hypotheses, which, in turn, are intended to explain and predict phenomena. Empirical reasoning is fundamentally inductive, self-corrective, and open to scrutiny and independent verification by the entire scientific community.

Instruments

Tools or devices designed for a specific purpose, especially used for scientific work, measurements, or music.

Causal Relationships

Connections between two events where one is understood to be the reason the other happens; cause and effect relationship.