Answer: the most important to help project your image is to be confident all the time.
Explanation: because if you show people a good attitude and a confident personality they will trust you easily and also, if you dress appropriate and clean all the time, people will take you seriously.
Answer: In formal language, grammar is more complex and sentences are generally longer. For example: We regret to inform you that the delivery will be delayed due to adverse weather conditions [formal] Sorry, but the delivery will be late because of the weather [informal]
hope it helps :)
Explanation: