Simplify the Following Expression $- \frac { 11 } { 12 } - \left( - \frac { 3 } { 9 } \right) + \frac { 2 } { 7 }$

question 96

Multiple Choice

Simplify the following expression. $- \frac { 11 } { 12 } - \left( - \frac { 3 } { 9 } \right) + \frac { 2 } { 7 }$

• A) \(- \frac { 1 } { 84 }\)
• B) \(\frac { 1 } { 84 }\)
• C) \(\frac { 25 } { 84 }\)
• D) \(- 1\)
• E) \(- \frac { 25 } { 84 }\)

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Definitions:

Systematic Variation

The deliberate manipulation or alteration of variables in an experiment to observe effects on outcomes, often used in scientific research.

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Mental activities involved in acquiring, storing, retrieving, and using information, including perception, memory, language, reasoning, and problem-solving.

Mental Arithmetic Test

A test designed to assess an individual's ability to perform calculations in their head, without the use of external aids.

Improved Performance

refers to the enhancement or increase in efficiency, effectiveness, or quality of an activity or task compared to previous attempts or standards.