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
i think i might be wrong but it might be A.irony/sarcasm
Principal,
We will dearly miss you. You have not only made this school great, but you have also made us, the students, great. We thank you for all your hard work and dedication that you put into this school. We wish you farewell and hope you enjoy your retirement.