Answer:
8 m/s^2
Step-by-step explanation:
F = ma
400 = 50a
a = 8
x/3-2/5=2x/15-3x
5x-6=2x-9
5x-2x=-9+6
3x=-3
3x/3=-3/3
x=-1
The order is (-10,-1,0,1,10)
2 over 7