Which expression below is equivalent to the expression: 12^3 x 12^9 x 12^4 x 12•2. (I NEED HELP HURRY)

a. 18^12
b. 12^3 + 12^9 + 12^4 + 12^2
c. (3 • 9 • 4 • 2)^12
d. (12+12+12+12)^18
e. 12^8​