Add or Subtract

question 292

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:

Staircase

A set or series of steps and platforms that allow for the upward or downward passage between different levels of a building or structure.

Alternating Feet

The ability to use one's feet interchangeably while performing activities such as walking, climbing stairs, or running, indicating motor coordination development.

Undernutrition

A condition resulting from not consuming enough nutrients, leading to various health problems such as stunted growth and weakened immunity.

West And Central Africa

A geographic and cultural region of Africa, known for its diverse cultures, languages, and histories.