
<u>Step-by-step explanation:</u>

x ≈ 1.09
Answer:i might be wrong but i believe its b
Step-by-step explanation:
The supplement of a 9 degree angle is 171 degrees.
Answer:
54
Step-by-step explanation:
The circumfirance is the diameter times 2
Yes, you are correct, it is A!
Recall the pencil line test, which is where you go across the x axis (the graph horizontally) and see if the pencil touches any two points at the same time. If it does, then the graph is not a function.
Point being: since question a has a bunch of y values on top of one x value, the pencil would inevitably touch multiple at the same time, hence why it is easy to tell that it is not a function! Hope this helps :)