Answer:
108
Step-by-step explanation:
4−22+135−9
=−18+135−9
=117−9
=108
Answer:
4
Step-by-step explanation:
pythagoras theorem = a* + b* = c* ( by '*' i mean squared)
2* + b* = square root twenty
4 + b* = 20
b* = 16
b = 4
Put the equation given in the form

The center will be (-f, -g)