How can you find the x-intercept of the graph of a linear equation

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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?

The difference between tax advoidance and tax evasion