On the school playground, the slide is 9 meters west (or left) of the tire swing and 12 meters south (or below) of tiſie monkey bars. During
recess, Darell plays on the tire swing first. Darell then goes to slide
down the slide before meeting up with another friend at the monkey
bars. Then Darell returns back to the tire swing.

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before