Given the system of equations, match the following items.
x + 3y = 5
x - 3y = -1

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.

Average acceleration: i have no idea how to do this.

What is the volume of this container?