Simplify the Expression $| 7 ( - 1 ) | - | 1 - 6 |$

question 189

Multiple Choice

Simplify the expression.
- $| 7 ( - 1 ) | - | 1 - 6 |$

• A) 2
• B) 12
• C) -12
• D) -2

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Definitions:

Epidemiological Studies

Research investigations that study the distribution, patterns, and determinants of health and disease conditions in defined populations.

Animal Testing

The use of non-human animals in experiments and research studies, often for the purpose of understanding human diseases, testing pharmaceuticals, or assessing safety.

New Chemicals

Substances that have been recently developed or synthesized.

Vaccines

Biological preparations that provide immunity to specific infectious diseases by stimulating the body’s defensive responses.