The subject and verb don't agree, the revised sentence should be
"Sequoia and Charles plan to exercise together."
        
             
        
        
        
Answer:
D
Explanation:
 The channel was not appropriate for the delivery of this message.
  
This type of information should be disclosed by a short message or email. There was no need to call a meeting to discuss the new work schedule, just to communicate it.
 
        
             
        
        
        
Answer:
He might encourage his voting base to attend rallies and fundraisers of his.
Explanation: