Answer:
b
Step-by-step explanation:
Answer:
which one 1,2,3,4,5,6,7,8
Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

The third angle would be 100 degrees
Explanation: 360-85-115-60= 100