Adding rational numbers
-4+17
13
What is the sun?
What is a star.
1/3+4/9
7/9
Who published the book Diary of a wimpy kid?
Jeff Kinney
-94-48
-142
When did World War 2 start?
1939
Who killed Abraham Lincoln?
Who is John Wilkes Booth.
Who was the first person to make a video game?
Ralph Baer