5.  Determine the height of the object.  If the height of the image is 12.5 cm and is upright, with a distance of the image being 20 cm from the focal point and the distance of the object is 25 cm from the focal point.

6.  A 10.0 cm tall object produces a 20.0 cm tall real image when placed in front of a curved mirror with a focal length of 25.0 cm. The distance of the object is 60 cm from the focal point.  Determine the place that the object must be located to produce this image.

7.   An object is placed 30 cm from a mirror of focal length 15 cm. The object is 7.5 cm tall. Where is the image located? How tall is the image?