Answer:
120 i think im pretty good a geometry

is the equation of a circle centered at

with radius

.
Here

,

, and

. So the answer is (C)
This is a system where (f-g)(x) is wanted.
(16x-30)-(14x-6) .... 2x-24 *be careful with signs and parenthesis placement.
Now set 2x-24 = 0 and so x = 12
A solution can be found using substitution by substituting the ordered pair into both of the original equations.