Kareem heats a beaker of water to boil. Then he records that the water temperature decreases from 100 c to 19 c in 5 2/5 minutes. What was the average change in temperature each minute ?

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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.

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.