Answer:
1
Step-by-step explanation:
x+y=-9
y=-x-9
So slope of original line is -1.
The line perpendicular to the original line is -1/-1 = 1
Answer:
80 answer is 80
Step-by-step explanation:
50+30 = 80 answer
Answer:
202
Step-by-step explanation:
200 + 0 make sure to add 2
201+ 1
202+ 2