Multiply the binomials using the foil method. (b+3)(b+9)

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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

Can someone me with the property questions for 12 13 and 14 plz

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?