Jonathan is buying 1 new iPhone for $659 and three new pairs of headphones for $25 each which equation can be used to find y the total price Jonathan must pay

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