Underneath it says leading term. Please help me I’ll mark you

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

Graph the equationy= x+3[tex]y = x + 3[/tex]

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3