Hello people anyone wanna talk im bored lol

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

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.