The answer is 9 because the difference in this sequence goes +1,+2,+3 etc. So all you have to do is plus 6 to 15 and you get 9.
I think it is 0.09375 cubic inches
Answer:
C 39 km
Step-by-step explanation:
Just do 3.25 (3 and 1/4) times 12 and get 39.
Answer:

Step-by-step explanation:

21 is it please let me know