Z - 7 = 8
subtract 7 from both sides
z = 15
hope this helped!
Answer:
-1b-6
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:

For The First Question a Part Do You Need a Graph ?
12 times with a remainder of 1