The statement emphasizes that most of our life is spent in organizations, and they supply the goods and services we depend on to live. We participate as members, employees, customers, and clients - highlighting the pervasive role of organizations in modern life.

$AA^T = 9I$ means each row has magnitude 3 and rows are mutually orthogonal.

Row 1: $1^2+2^2+2^2=9$ ✓

Row 2: $4+1+4=9$ ✓

Row 3 magnitude: $a^2+4+b^2=9 \Rightarrow a^2+b^2=5$ ...(i)

Row 1 · Row 3: $a+4+2b=0 \Rightarrow a+2b=-4$ ...(ii)

Row 2 · Row 3: $2a+2-2b=0 \Rightarrow a-b=-1$ ...(iii)

From (ii) and (iii): subtracting gives $3b=-3 \Rightarrow b=-1$, then $a=-2$. Check (i): $4+1=5$ ✓

$(a,b) = \mathbf{(-2,-1)}$

• Moles of $CH_{4} = 6.4 / 16 = 0.4 \text{ mol}$
• Moles of $CO_{2} = 8.8 / 44 = 0.2 \text{ mol}$
• Total $n = 0.6 \text{ mol}$
• Using $P = \frac{nRT}{V}$:
• $P = \frac{0.6 \times 8.314 \times 300}{10 \times 10^{-3} \text{ m}^{3}}$
• $P \approx 149,652 \text{ Pa} \approx 150 \text{ kPa}$

The ordinal level of measurement allows data to be ranked or ordered (e.g., first, second, third; or high, medium, low), but the intervals between ranks are not necessarily equal. Examples include class rankings, Likert scale ratings, and educational grades as categories.

Correct Answer: B — Ordinal.

• Individual Characteristics and Experiences: Prior behavior, personal factors (biological, psychological, sociocultural)
• Behavior-Specific Cognitions and Affect: Perceived benefits, perceived barriers, perceived self-efficacy, activity-related affect, interpersonal and situational influences
• Behavioral Outcome: Commitment to a plan of action → Health-promoting behavior