Which expression is equivalent to (3x^2+4x-7)(x-2) a. x(3x^2+4x-7)+2(3x^2+4x-7) b.(3x^2+4x-7)(x)+(3x^2+4x-) c. x(3x^2+4x-7)-2 d.2x(3x^2+4x-7)

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).