Write a matrix representing the system of equations: x + 2y + z = 5
2x - y + 2z = 15
3x + y - z = 8
Solve the system by transforming your matrix into reduced row echelon form. State the solution as an ordered triple. (Show your work)

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x