Use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9
Answer:3.55
Step-by-step explanation:
you add the time dude
If you wanna divide 9's on your fingers, its really easy...
Example: If you wanna do 3x9 you hold up your 10 fingers and put down your fourth finger... it would look like your saying 36, and that is your answer.
Another example: If you wanna do 6x9 you hold up your 10 fingers and put down your 7th finger... It would look like you are saying 63 and that is your answer.
I hope this helps, tell me if you have any questions.<span />
Answer:B
looks like it has asymptotes but doesnt actually
Answer:
C
Step-by-step explanation:
Use the equation 
Input the numbers----> 
Simplify ----> 
Find the square root------->
