Veronica performs a dilation on figure a. She uses a scale factor of 3 with a center of dilation at the origin. What are the coordinates of the image of point X ?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *