it would have to be c. the age of the universe and the rate at which the universe is expanding cause it can't just be one of the others only
Answer:
you didnt state if its a parallel or a series circuit
Explanation:
if in series
add the Resistance
Rt = R1 + R2 + R3
Rt = 4 + 6 + 2
Rt = 12ohms
however if in parallel.
1/Rt = 1/R1 + 1/R2 + 1/R3