Simplify the Expression $6 a - 3 a + 3$ A)3a + 3
B)-3a + 3
C)9a + 3
D)cannot

question 81

Multiple Choice

Simplify the expression. If the expression cannot be simplified, so state.
- $6 a - 3 a + 3$

• A)3a + 3
• B)-3a + 3
• C)9a + 3
• D)cannot be simplified

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Definitions:

Standard Deviation

A measure of the dispersion or variability of a set of data points, quantifying how much the values differ from the mean.

Wechsler Adult Intelligence Scale

A standardized test designed to measure various aspects of human intelligence and cognitive ability in adults.

Z-score

A metric that shows how many standard deviations away a specific data point lies from the average.

National Center for Health Statistics

A division of the Centers for Disease Control and Prevention (CDC) tasked with collecting and analyzing data related to the health of the United States population.