Add or Subtract

question 241

Multiple Choice

Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by
raising negative numbers to even powers.
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Definitions:

Novel Trait

A newly evolved feature in an organism that significantly differs from functions or structures in ancestral species, often due to genetic mutations or environmental changes.

Clade

A group of biological taxa, such as species, that share a common ancestor in the tree of life.

Beta Globin Chain

A component of hemoglobin, responsible for oxygen transport in the bloodstream.

Subtropical Regions

Areas of the world that lie just below the tropical zones, characterized by hot, humid summers and mild winters.