Simplify $7 i - ( 3 - 25 i ) + \sqrt { - 81 }$

question 12

Multiple Choice

Simplify $7 i - ( 3 - 25 i ) + \sqrt { - 81 }$ and write in standard form.

• A) \(- 3 - 9 i\)
• B) \(- 3 + 41 i\)
• C) \(29 i\)
• D) \(- 3 - 41 i\)
• E) \(3 + 41 i\)

Grasp the basic concepts of combustion, fire, and chemical reactions.

Learn about the storage and preservation of forensic samples.

Identify the effects of environmental factors on forensic evidence.

Understand the use of blank samples in analytical chemistry.

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Definitions:

Coefficient of Correlation

A numerical indicator that determines the intensity and orientation of a linear connection between two factors.

Linear Relationship

A relationship between two variables where a change in one variable is associated with a proportional change in the other variable.

Correlation Coefficient

A statistical metric that determines the strength of the connection between the relative changes of two variables.

Correlation Coefficient

A statistical indicator that measures the intensity of the link between the relative fluctuations of two variables.