100 points You’re playing a game where you pick a handful of marbles from a bag. The number of points you get depends on the marble’s color. A blue marble is worth 6 points. A green marble is worth 9 points. For each red marble, you lose 12 points. x represents the number of blue marbles, y represents the number of green marbles, and z represents the number of red marbles. Use the menus to write an expression for determining the points earned in a handful.

For a blue marble, you get 6 points. X is the number of blue marbles. For a green marble, you get 9 points. Y is the number of green marbles. For a red marble, you lose twelve points. Z is the number of red marbles.