How is energy related to the change of state represented by the model?
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O Atoms gain energy as a solid changes to a liquid.
O Atoms gain energy as a solid changes to a gas.
Atoms lose energy as a solid changes to a liquid.
O Atoms lose energy as a solid changes to a gas.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil