Answer:
80 degrees
Step-by-step explanation:
If angle E and angle Y are conguent, angle X and F would be congruent making angle F 80 degrees
Number three, because if you look at it, it is a valid one right away. Int he point (0,1), the y is one. Therefore,
<h2><u><em>
y=1 is the answer.</em></u></h2>
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-Hunter