Find the center and the radius of the circle with the equation:
x^2 + 6x + y^2 + 4y + 12 = 0
a.

center: (3, 2)
radius: 1

c.

center: (6, 4)
radius: 12
b.

center: (-3, -2)
radius: 1

d.

center: (-6, -4)
radius: 12

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)