You are in an elevator on the seventh floor. You go down 4 floors, and then up 8 floors.
Then you go down 3 floors and up 9 floors.
The elevator goes down again, and you get
off. According to the pattern, on which
floor are you now?

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?

Use the distributive law to multiply. 3(4x + 5y + 6)

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1