V=IR
V=12*3
V=36
36 =IR
36 =6R
divide by 6
6 =R
Choice C
The answer is D because if you multiply 3 by 4 you get 12 so if the constant is 6 you multiply it by 4 which would give you the answer 24 i hope this helps answer your question please make this Brainliest And Give Thanks