Answer:

 

         1.

 

Term number

1

2

3

4

5

6

7

Term

12

24

36

48

60

72

84

        

         2. The term is the term number times 12.

         3. Term = term number ´ 12, or n ´ 12.

         4. The 30th term is 30 ´ 12, or 360.