leonlongnose leonlongnose 28-04-2020 Mathematics contestada Which event is certain? A) A bowl has 10 red marbles and 12 green marbles. You choose a red marble from the bowl. B) A bag has pieces of paper numbered from 1 to 100. You choose a number less than 105. C) A spinner has sections lettered A through H. The spinner lands on the 10th letter of the alphabet. D) You roll two standard number cubes and the sum of the numbers rolled is 12.