On the day a certain celebrity proposes marriage, 8 people know about it. Each day afterward, the number of people who know grows by 50%.
Which expression gives the number of people who know about the proposal after 4 days?
A) 8•0.5•0.5•0.5
B) 8+0.5•0.5•0.5
C) 8(1+0.5)(1+0.5)(1+0.5)(1+0.5)
D) 8+(1+0.5)(1+0.5)(1+0.5)(1+0.5)

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.