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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 the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?