Answer:
The center is (5, -4)
Radius 9
Step-by-step explanation:

Center is just the opposite in the formula
Answer: 7,824
Step-by-step explanation:
What kind of question is this lol, it took me forever.
Answer:
-7.166666666666667
Step-by-step explanation:
It would be the third. X+3=y
So, dimensional analysis will help with this

Hope this helps!