Which event is impossible? - a bag has pieces of paper numbered 1 to 100. You choose a number divisible by 3.

- you roll two standard number cubes and the sum of the number is 12.

- a spinner has sections lettered A through H. The spinner lands on the 10th letter of the alphabet

- a bowl has 10 red marbles and 12 green marbles. You choose a red marble from the bowl.