Answer:
4 km
Step-by-step explanation:
1000m:3m = 4000m:12m
I hope I helped you^_^
y = -5x-9
Slope intercept form is
y = mx+b where m is the slope and b is the y intercept
10x + 2y = -18
Subtract 10x from each side
10x + 2y-10x =-10x -18
2y = -10x-18
Divide each side by 2
2y/2 = -10x/2 -18/2