Answer:
7.142m/s
Step-by-step explanation:
Velocity=change is distance/change in time
change in distance=400m-0m=400m
change in time=56-0=56seconds
v=400m/56s
v=7.143m/s
Ya I think it is also the second one
He deposited a total of $180.
Wrote two checks that totaled $80
x=180-80
180-80=100
Therefore, he would have $100 in his checking account after the two checks.
The correct answer is the first option