Answer:
A. Tessa thinks Varicks influence will keep accomplishing her plan goal
John should make sure he trains the workers better, including how to fix the machine.
Answer:
I would say either A or C. Not 100% sure
When doing a multimedia presentation, the thing that one might be prepared about in advance in case the equipment failure during presentation is to keep giving the speech and using the chalkboard to provide the visuals. This will keep the people interested in listening without caring about the failed instrument.