Add or Subtract $\frac { 2 } { 15 a ^ { 3 } b } - \frac { 1 } { 18 a b ^ { 2 } }$

question 17

Multiple Choice

Add or subtract.
- $\frac { 2 } { 15 a ^ { 3 } b } - \frac { 1 } { 18 a b ^ { 2 } }$

• A) \(\frac { 12 b - 1 a ^ { 2 } } { 90 a ^ { 3 } b ^ { 2 } }\)
• B) \(\frac { 12 b - 5 a ^ { 2 } } { 90 a ^ { 3 } b ^ { 2 } }\)
• C) \(\frac { 12 b - 5 a ^ { 2 } } { 90 a ^ { 2 } b ^ { 3 } }\)
• D) \(\frac { 12 b + 5 a ^ { 2 } } { 90 a ^ { 3 } b ^ { 2 } }\)

---

Definitions:

Biological Processes

The processes vital for a living organism to function, including biochemical pathways, cellular growth, and homeostasis maintenance.

Psychological Processes

Internal operations that underlie cognitive and emotional functions, such as perception, memory, and reasoning.

Spouse

A partner in a marriage or civil union, often involving a legal or cultural recognition of their relationship.

Lymphocyte Levels

Measurements of the amount of lymphocytes, a type of white blood cell, which play a significant role in the body's immune defense mechanisms.