Identify the sequence of transformations that will reflect a figure over the x-axis and then dilate it by a scale factor of 3.

How do you do this geometry problem

What is the distance between (–2 1/2,-3) and (1, –3)?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.