Correct ~~~~~~~~~~~~~~~~~~~~~~

What is the measure of ZACB ?
Answer:
Your Answer Would be 90° Or 180° My friend!
A triangle's angles add up to 180 degrees because one exterior angle is equal to the sum of the other two angles in the triangle.
Hope this Helps!!!

The answer is 13. Or the third choice, just took the test.
Both are not functions because functions cannot have repeating x values