I need help with those problems. please

5. A 15 cm object is placed 20 cm in front of a convex mirror. The mirror has a focal length of 11 cm. A) Draw the ray diagram B) Is the image real or virtual? C) Calculate the magnification and the image distance and height. 6. A convergent lens has a focal length of 10 cm. A 12 cm object is placed 25 cm from the lens. A) Draw the ray diagram B) Calculate the magnification and the image distance and height