In this short story, Dorris Lessing describes a fifteen year old boy who goes hunting every morning. One day the boy notices a buck that is wounded. It was about to die. This scene continues in the story with the following sentences: "It came into his mind that he should shoot it and end its pain; and he raised the gun. Then he lowered it again."
Answer:
1)

2) slope is -2/3
Explanation:
1)

2)
when any equation is written as
y = mx + c then m is the slope.
above we have calculated that

which is in the form of
y = mx + c
where m is -2/3 and c is -6
thus slope is m = -2/3
While congratulating her colleague on her promotion, Kate should focus the message on the receiver.
Explanation:
As the person in focus is Kate's colleague who has got a promotion and not Kate herself, it would sound more appropriate if Kate talks about her colleague's achievement instead of herself. It is an important moment in the life and career of Kate's colleague and she deserves the accolade.
It would not be considered quiet civilized for Kate to talk about herself on such occasion. In her letter, Kate should keep the focus on her colleague's achievements.