The second relation is a function.
For a relation to be a function, each x-value can only have a singular corresponding y-value. Since all other relations feature x-values with multiple y-values, the second relation is a function.
Answer:
see explanation
Step-by-step explanation:
given
a² + b² = c² ( isolate b² by subtracting a² from both sides )
b² = c² - a² ( take the square root of both sides )
= ± 
b = ±
Answer:
52.5
Step-by-step explanation:
WX curve is 105 degrees
so to find WYX, you need to divide the WX curve by 2:
105 / 2 = 52.5 degrees
I think this is right, I have not done this in years so I am rusty at this
MMMLXXXIX
~ hope this helps!
