Simplify the following expression: 4+square root-4+square root-9+7
()

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 range for 31,39,29,34,37,24,36,33,34,28

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?