Which is equivalent to (−2m + 5n)², and what type of special product is it?
a. 4m² + 25n²; a perfect square trinomial
b. 4m² + 25n²; the difference of squares
c. 4m² − 20mn + 25n²; a perfect square trinomial
d. 4m² − 20mn + 25n²; the difference of squares

When you dilate a figure with a scale factor of 1/2, what will the dilated figure look like?                                                                                           a: the dilated figure will have side lengths that are half the length of the original side lengths.                                                                          b: the angles in the dilated figure will be half the measure of the original figure.                                                                                c: the dilated figure will have side lengths twice the length of the original.