Lulubusin kona tanong ko

1.Find the nth term for the sequence 5, 9, 13, 17, 21, ….
2.Find the nth term for the sequence 3, 1, -1, -3, -5, ….
3.What is the arithmetic mean between 15 and 40?
4.The first and last terms of a finite arithmetic sequences are called?
5.If three arithmetic means are inserted between 11 and 39, find the second arithmetic mean.
6.Insert 3 arithmetic means between 8 and 16.
7.This refers to the number that is being multiplied to obtain a geometric sequence.
8.Supply the missing terms in the given geometric sequence 3, ___48,___192, 768,___
9.Which of the following is an example of a geometric sequence?

sana matulongan nyo ulit ako sa huling pagkakataon brainlest nalang makasagot ng tama​