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Where does the graph of f(x)=x^2+2x-24 cross the x-axis? At STP a gas occupies 720cm³, calculate the temperature at which the gas occupies 1000cm³ and with a pressure of 698mm/Hg? Find four consecutive even integers such that twice the sum of the second and third exceeds 3 times the first by 32. please help thanks? At what point in its evolution does a subspecies become a species? What is the scientific requirement? Pls solve math problem?