Answer:
B) The final acceleration will triple between the first and third trial.
12x - 5(x+4) = -20
12x - 5x - 20 = -20
7x = 0
x = 0
and since y = x + 4, y = 4
(0,4) is answer
3/5 does nor belong, as the other three fractions are just different versions of the same fraction :) 4/10 can be simplified into 2/5. If you multiply this fraction by three, 2/5 would become 6/15 :) Hope this helped!!
T=m+n
m+n=t
n=t-m (In terms of n)
ehdjxheishdhdudshdidjdjdjssk
