I feel like this is actually true anyone else think that?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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