Remove brackets and simplify
5(x-3)-3(x-5)

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What is the base of 1/9 to the power of 2

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0