Solve by Substitution

question 20

Multiple Choice

Solve by substitution:

• A) (0, 2)
• B) Dependent,
• C) (2, -8)
• D) No solution
• E) (1, -3)

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Definitions:

Pineal Gland

A small, pinecone-shaped endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Melatonin

A hormone made by the pineal gland that regulates sleep and wakefulness.

Pituitary Gland

A small, pea-sized gland located at the base of the brain that produces hormones influencing various bodily functions.

Adrenal Gland

A small gland located above the kidneys that produces hormones such as adrenaline and cortisol, which are involved in stress response.