Answer:
I didn't spend a lot of money yesterday. 
 
        
                    
             
        
        
        
Answer:
He and them.
Explanation:
Third-person is telling a story from the narrator's point of view, so the pronouns used would have to be them, he, she, they, his, her, their, etc. The author used both "he" and "them" in the story, so those two are the answers.
 
        
             
        
        
        
Answer:
hahahahahahahhahahahahahhaha
 
        
                    
             
        
        
        
I think it’s in the upstairs computer lab,