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Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Which expression is equivalent to 2x^2+7x+4?