Factor the polynomial completely 9x^3 - 63x^2 - 4x + 28

(x - 7)(9x^2 - 4)

(x - 4)(9x^2 - 7)

x(9x - 4)(x - 7)

(x - 7)(3x - 2)(3x + 2)

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.