Simplify. -(7z + 8) - (5z - 3)

question 139

Multiple Choice

Simplify.
-(7z + 8) - (5z - 3)

• A) 12z + 11
• B) 2z - 11
• C) 2z + 5
• D) 2z + 11

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Definitions:

Predictive Validity

The extent to which a score or measure can predict the future performance or behavior of subjects.

Content Validity

The extent to which a test samples the behavior that is of interest.

Reliability

The extent to which a test yields consistent results, as assessed by the consistency of scores on two halves of the test, or on retesting.

Mental Age

A measure of an individual's cognitive ability compared to the average cognitive ability for their chronological age.