Add Do Not Use a Number Line Except as a Check

question 131

Multiple Choice

Add. Do not use a number line except as a check.
- $$- \frac { 2 } { 9 } + \left( - \frac { 8 } { 9 } \right)$$

• A) \(\frac { 10 } { 9 }\)
• B) \(- \frac { 2 } { 3 }\)
• C) \( - \frac { 10 } { 9 }\)
• D) \(\frac { 2 } { 3 }\)

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Definitions:

Computerized Tomography

A diagnostic medical imaging technique that uses a series of X-ray images taken from different angles around the body, combined by computer processing, to create cross-sectional images of the bones, blood vessels, and soft tissues.

Two-Dimensional Images

Visual representations of objects, scenes, or ideas on a flat surface that have height and width but no depth.

X-Rays

A form of electromagnetic radiation used in medical imaging to view the inside of the body without making an incision.

Psychophysiological Tests

Tests in which instruments are attached to the periphery of the body to record changes due to activity in the nervous system.