Factor by Grouping $$s ^ { 2 } + 4 s + 9 s + 36$$

question 18

Multiple Choice

Factor by grouping.
- $$s ^ { 2 } + 4 s + 9 s + 36$$

• A) \(( \mathrm { s } + 4 ) ( \mathrm { s } - 9 )\)
• B) \(s ( s + 49 )\)
• C) \(( s - 4 ) ( s - 9 )\)
• D) \(( s + 4 ) ( s + 9 )\)

Recognize treatments and behavioral strategies for insomnia and other sleep disorders.

Identify characteristics and causes of sleep disorders.

Explain the physiological processes and factors involved in sleep and wakefulness.

Describe sleep behaviors and phenomena, including sleepwalking and REM behavior disorder.

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Definitions:

Random Sample

A selection method where each member of a population has an equal chance of being included, used to ensure unbiased statistical results.

Negative Correlation

A connection between two variables where one variable rises as the other falls, and the reverse is also true.

Mice

Small rodents that are often found in both wild and domestic environments, sometimes considered pests.

Selection Bias

Occurs when the sample isn't representative of the population, leading to skewed or biased results.