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Solve the System by the Substitution or Elimination Method (9x2+4y2=253x+2y=7)\left( \begin{array} { r l } 9 x ^ { 2 } + 4 y ^ { 2 } & = 25 \\3 x + 2 y & = 7\end{array} \right)

question 145

Multiple Choice

Solve the system by the substitution or elimination method. (9x2+4y2=253x+2y=7) \left( \begin{array} { r l } 9 x ^ { 2 } + 4 y ^ { 2 } & = 25 \\3 x + 2 y & = 7\end{array} \right)


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Relating to, or affecting the body, especially as distinguished from the mind or consciousness.

Endorphins

Natural, pain-relieving chemicals produced by the body that also contribute to feelings of pleasure and well-being.

Dopamine

A neurotransmitter involved in the regulation of movement, attention, learning, mood, and motivation.

Monoamines

A group of neurotransmitters, including dopamine, norepinephrine, and serotonin, that play key roles in regulating mood, arousal, and sleep.

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