Factor this expression completely 9a 4 - b 2

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

If an object looks the same on both sides when divided by a plane, it has gos rotational symmetry. no plane of symmetry. o reflectional symmetry. o no axis of symmetry.