Simplify. -21 + (-9)(-27)- 4

question 204

Multiple Choice

Simplify.
-21 + (-9) (-27) - 4

• A)260
• B)806
• C)53
• D)690

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Definitions:

Psychosexual Theory

A theory by Sigmund Freud that proposes human development is driven by the libido as it shifts between different body zones at different stages of early life.

4-Year-Old

Describes a child typically in the early childhood period, showing rapid development in language, cognition, and social skills.

Phallic Stage

A stage in Freudian psychosexual development, occurring from approximately 3 to 6 years of age, where children's libido (sexual energy) is focused on their genitalia.

Mechanistic Researcher

A scientist who explores the fundamental processes and workings underlying a particular phenomenon or system, focusing on its components and functions.