An оbject is plаced 10 cm in frоnt оf а converging mirror. The imаge is formed 25 cm in front of the mirror. Determine the focal length of the mirror. You must type your answer in the box provided and show all your work. Answers that do not follow the required steps will receive only partial credit. To earn full credit, follow the instructions above for steps 1,2, and 3 in Part 2 of this exam.