Simplify. Express using exponents. 5^9x5^3

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

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