Answer:
Width = 40 meters
Length = 167 meters
Step-by-step explanation:
Let
Width of the pool = x meters
Then
Length of the pool = 4x + 7 meters
and
Perimeter
meters
Hence,

what are do you want from me i don't even know my bad
Answer: D
Step by Step: Even though the y value repeats, to be considered not a function is when the X value repeats