4x+7 would be your answer
Answer:
The measure of arc x is 
Step-by-step explanation:
we know that
The measurement of the external angle is the semi-difference of the arcs it comprises.
so
In this problem

solve for x


Draw a number line with 10 positives and 10 negatives. Count from 0 to 8. Now, from 8, count back 12 spots. From that spot, go back to 0, which is their original position. The number you counted there is your answer.
Answer:
I don't know sorry can't help you
Answer:
6 is the answer
Step-by-step explanation:
6