Someone please help me with this questions

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

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.

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate