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) \(\frac { 12 b + 5 a ^ { 2 } } { 90 a ^ { 3 } b ^ { 2 } }\)

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Definitions:

Archaeologists

Scientists who study human history and prehistory through the excavation of sites and the analysis of artifacts and physical remains.

Bronze Age

A period in human history marked by the use of bronze tools and weapons, following the Stone Age and preceding the Iron Age.

Europe

A continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere, characterized by its own cultural, political, and historical identity.

Americas

A term referring to the continents of North and South America collectively, along with their associated islands and regions.