If f(x)=x² - 6x , evaluate f(3a-2)

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

What is the mean of the data set 125, 141, 213, 155, 281

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