Answer:
The answer is A. One graph uses an open circle, but the other graph uses a closed circle. Also, the rays use arrows that point in opposite directions, but they have the same endpoint.
Answer:
x= 6 degrees
Step-by-step explanation:
x+x+54 = 90
2x+54 = 90
x= 90- 54 /2
x =6
For graphing you would have to make sure your number line up with the y axis and the x axis
Answer: 0.875
i hope this helps you could also go to your calculator and type it in, but glad to help if i did