If a convex mirror has a focal length of -14 cm, how far behind the mirror does the image of a person 2.5 m away appear?

A vase is placed 18.5 cm away from a concave mirror that has a focal length of 6.55 cm. Where is the image located? What is the mirror's magnification? A cat that is 0.15 meters tall sits 0.50 meters in front of a convex mirror. If the convex mirror has a focal length of 0.85 m, where is the image located? How large is the image?