Answer:
Direction
Step-by-step explanation:
Multiplying a vector by a positive scalar numbers impacts its horizontal and vertical components by the same proportional amount, but doesn't change its direction.
Answer:
28 feet
Step-by-step explanation:
20 + 10 = 30 - 2 = 28 feet
The dolphin is 20 feet below the surface, goes down another 10 feet, so 30 feet below the surface, and raises two feet, so 28 feet below the surface.