Answer:
65 people.
Step-by-step explanation:
We have to work backwards.
We end with 63 people, and at the stop we lost 19 people and gained 17.
; if x = # people at the beginning

There were 65 people on the train to begin with.
Answer:f ( x - 1 ) = 3x² - 5x - 7
Step-by-step explanation:
Answer:
Step-by-step explanation:
That is correct.
P=4s=4(12)=48in
A=s^2=12^2=144in^2