Answer:

Step-by-step explanation:

For x=0

For x=1

For x=2

For x=3

Well what is XZ. If XY is 4 & YZ is undefined. Is YZ undefined also? or does it have a given measurement?
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.
Answer:
2/6 or simpler 1/3
Step-by-step explanation: