An object 29.0 mm high is 27.0 cm away from a concave spherical mirror with a radius of curvature of 28.0 cm. How do i get these answers?

a)How far from the mirror is the image? (absolute distance) answer 29.1cm
b)What is the absolute size of the image? answer 3.12 cm

1 answer

Follow the procedute I explained in an earlier answer today:

http://www.jiskha.com/display.cgi?id=1274110901