I believe the tone is somewhat dramatic based on the dialogue such as "shot his hand out in front of him", it makes the story seem a lot more interesting than what it really is; a normal encounter.
Answer: Please explain properly
Explanation: 5n − 19 + n + 7 = 144 − 6n
6n − 12 = 144 − 6n
12n = 156
n = 13
m∠z = (144−6n)°
m∠z = (144−6×13)°
m∠z = 66°
Answer: We need background information
Explanation: what are the events?
Debut is the answer because the definition of debut means to introduce first or appear first.