Ann and tom are in a 10-week reading program. ann reads 3 books each week. tom reads 4 books each week. how many more books does tom read at the end of 10 weeks than ann reads

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