What is the volume of this cone?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

X-10/4 when x = –18 a 7 b –2 c –7 d 2

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