I haven't had the courage to look it up and I won't. lol
The answer is A,
In a function, an x value can only be paired with one y value.
However, a y value and have multiple different x values, for example when you graph a constant/horizontal line.
Answer:
C + 88 = 180
-88 -88
C and B = 92
Since C is vertical to B that means both values are the same. Therefore the values of c and b is 92 degrees.
Donut star bucks and donald duck