39

Step-by-step explanation:

The common difference of the arithmetic sequence is 6. So just add 6 to 33 or subtract 6 to 45.

answer:

39 Po

explanation:

by adding 6

Sana makatulong

example:

15+6=21

21+6=27

27+6=33

33+6=39

39+6=45

45+6=51