Answer: if you mean 3 cubed i got you covered.
Step-by-step explanation:first you multiply 3 3 times and get 9.then i would now have 9+1*9+12. then, you do 1*9 and get 9.9+9+12. then add them all up.9+9=18.18+12=30. your answer is b.30 my friend.