Please help me i will send the question in the comments!!! T. I.P- its about fixing an hp laptop

pls, help me!

Choose the best explanation for the following statement communication is symbolic

In a response of approximately 50 words, explain why it would be essential for the successful a/v technician to participate in additional coursework, presentations and seminars offered by equipment manufacturers as well as annual conferences attended by colleagues in the industry.

The guy wire bd exerts on the telephone pole ac a force p directed along bd. knowing the p must have a 720-n component perpendicular to the pole ac, determine the magnitude of force p and its component along line ac.