Why is important to be able to change our constition
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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 is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?