Solve the System by the Method of Substitution $\left\{ \begin{array} { l } 1.3 x + 0.6 y = 5.7 \\0.9 x - 0.2 y = 2.1\end{array} \right.$

question 156

Multiple Choice

Solve the system by the method of substitution. $\left\{ \begin{array} { l } 1.3 x + 0.6 y = 5.7 \\0.9 x - 0.2 y = 2.1\end{array} \right.$

• A)(-3, 3)
• B)(3, 3)
• C)(-3, -3)
• D)(-5, -5)
• E)(5, 5)

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Definitions:

Central Sulcus

A prominent landmark of the brain's surface that separates the frontal lobe from the parietal lobe.

Frontal Lobes

The part of the human brain located at the front of each cerebral hemisphere, responsible for voluntary movement, expressive language, and managing higher level executive functions.

Temporal Lobes

Regions of the cerebral cortex involved in processing auditory information, memory, and integrating sensory input with emotional meaning.

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.