Which statement illustrates the commutative property of addition? A. (81) - (-81) = 0
B. 83 + 4 = 4 + 81
C. (81 + 4)+(-81 – 4) = 0
D. 83 + 4 = 4 + 8

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.

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn. what is the fraction of total chicks in outdoor pens?