Hi.
I believe the formula for R when you have the voltage and current is:
V/I = R
Plugging in the numbers:
220/4 = 55
The answer is the second option, 55.
Answer:
Step-by-step explanation:
using sin formula

Answer:
i think it is D
Step-by-step explanation:
hope this helps
Maybe 4.80
Step-by-step explanation:
He used an incorrect time ratio converting hours to minutes.