Find the nth term of the following sequences

Question 1:

14,7,0,-7,-14
21−7n

Question 2:

-3,1,5,9,13
4n−7

Question 3:

5,10,15,20,25
5n

Question 4:

16,24,32,40,48
8n+8

Question 5:

40,36,32,28,24
44−4n

Question 6:

-3,-1,1,3,5
2n−5