Which sentence is punctuated correctly?(1 point)
In 2019 eight new students enrolled in our school, but only five of them stayed.
After driving all day and night, we finally reached our destination, and we happily went to sleep.
On Monday I am going to go hiking but after that I will come by to visit you.
For about 3 minutes, the helicopter hovered overhead, and then flew away, to the east.
The third sentence is punctuated correctly.
"On Monday I am going to go hiking, but after that I will come by to visit you."