What is the center of the circle given by the equation below?
x2 - 6x = -y2 - 12y - 9

A.
(3 , -6)
B.
(-3 , -6)
C.
(3 , 6)
D.
(-3 , 6)

Step-by-step explanation:

x

=

3

+

√

y

(

−

y

−

12

)

x

=

3

−

√

y

(

−

y

−

12

)

p = 6s

step-by-step explanation:

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168