Determine the all parts of given problem:
Problem: A doctor examines a mole with a 14.5 cm focal length magnifying glass held 12.5 cm from the mole.
Part A: How far is the image from the lens?
Part B: What is its magnification?
Part C: How big is the image of a 5.00 mm diameter mole?
Show all work, use additional paper if necessary.