Need help with this ons plz

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

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

Find the value of the variable and the length of each chord for #5 and #6.