Medication is prescribed in 7 out of 10 hospital emergency room visits that involve an injury. If a large urban hospital had 750 emergency room visits involving in injury in the past month, how many of these visits would be expected to incljude a prescription for medication?

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.