Answer:
d 6
it is not A B or c its
Step-by-step explanation:
edge 2020
substitute -10 for x and -20 for y
-10-20 / -20
-30/-20
1 1/2
3 6 9
8 16. 24
The standard form of a complex number:
y=-5
x=2
3x + 3y=-9
3x - 3y=21
-
0+6y=-30
6y=-30
3x-15=-9