Edward is a climatologist studying tidal patterns. At various times throughout the day, he records the
tide's height relative to the average tide.
Tide height (cm)
Time
6:00 A.M.
64
9:00 A.M.
-40
12:00 P.M.
-56
3:00 P.M.
42
At what time did the highest tide occur?
6:00 A.M.
9:00 A.M.
12:00 P.M.
3:00 P.M.
