To post a picture you just need to click on the clipper looking thing
Answer:
Best: 1 or 4
Worst: 3
Explanation:
I'm not sure if number one is imply to ask your coworker to explain it or actually help with the workload. I think 4 would be the right answer because that is what they are there for and you don't want to distract your coworkers.
Statement A is true. R4 is not part of the circuit since it has one terminal not connected. The other resistors are in series, so the same current flows through them. Hence they will dissipate equal power.