Answer:
51, 52, 53
Step-by-step explanation:
51, 52, and 53 are all greater than 50, but less than 54
Step-by-step explanation:
The answer is :-
x and w : Dr. Alpha was meeting up with this patient in the library.
Know why:-
Because x and w are Vertically Opposite Angles! And they are always same!

Let's start with the fact that this is a function. Each element of Set A is paired with exactly one element of Set B.
This makes Set A the set of inputs and Set B the set of outputs.
There are a lot of other boxes to pick from, so I'm not sure what else you'd need to pick to make your answer correct.
Answer:c
explanation: its 90 degrees
good luck!