Answer: -3
Step-by-step explanation:
i used a graphing calculator
They travelled 3 and 5/6 miles, then drove 2 and 2/6 more the next day. To find the total, you must add them up. So...

They travelled for 6 and 1/6 hours, or 6 hours and 10 minutes.
Answer:
Axis of Symmetry: x = 3
Vertex: (3, 5)
Step-by-step explanation:
Use a graphing calc.