It’s a black screen sooooooooooo......
Answer:9n-2
Step-by-step explanation:
1st = 9*1-2= 7
2nd = 9*2-2= 16
3rd = 9*3-2= 25
4th = 9*4-2 = 34
...
general equation of circle is:

so centre is (0,0) and radius is

Answer:
Q
Step-by-step explanation:
14 hours or 2 hours. Im not sure