A truck travels from a factory to a gas station in 5 minutes. It stops at the gas station for 1 minute. The truck then returns to the factory in 4 minutes. Which graph best represents the distance, y, in miles, of the truck from the factory for a certain amount of time, x, in minutes?
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The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.
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