Simplify the Expression

question 17

Multiple Choice

Simplify the expression.

• A) 49
• C) 6
• D) 36
• E) 81

---

Definitions:

Skin Temperature

The surface temperature of the body which can indicate health status, regulatory responses to environmental changes, or underlying conditions.

Closed Head Injury

A type of traumatic brain injury where the skull remains intact but the brain is injured, possibly leading to swelling, bruising, or damage to brain tissue.

Small Intervals

Short durations or distances between points or events, often used in measurements or scheduling.

Hygiene Provision

The practice of ensuring cleanliness and promoting health through personal care and environmental cleaning.