I believe the answer is B for this question
Answer:
-16
Step-by-step explanation:
you just add all of them together
Answer:
You can use something called Desmos... I hope this helped
Step-by-step explanation:
Answer: 
Step-by-step explanation:
It is important to remember the following:

In this case you can observe in the figure that "x" is an Angle formed by two chords, therefore, you can find its value applying the formula.
Therefore, the value of "x" is this:

No, because the lasts line of the work is not true. 5 and 11 are not equal.