If the x-intercept of a line is positive and the y-intercept is negative, does the line slant upward or downward from left to right? Explain your reasoning.

What is the measure of ac? 5 units 13 units 26 units 39 units

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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?