Add or Subtract

question 100

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:

Dependent Variable

The variable in a study that represents the result of the events and processes.

Aggressive Behavior

Characterizes actions or practices that are intended to harm or intimidate another person, whether physically, verbally, or psychologically.

Hypothesis

An idea about the possible nature of reality; a prediction tested in an experiment.

Testable Prediction

A forecast or hypothesis that can be verified or disproved through experimentation or observation.