An object is placed $20$ cm to the left of a negative lens with a focal length of $20$ cm$.$ A positive lens with focal length $10$ cm is located $10$ cm to the right of the negative lens.

A$)$ where is the image located

B$)$ what is the magnifaction due to the second lens

C$)$ what is the total magnification due to the lens combination

D$)$ draw a ray diagram for the first negative lens. Indicate the object position, the focal point on each side of the lend, and the image position

E$)$ draw a ray diagram for the second postive lend. And do the same as for the first diagram.

I am so sorry for so many questions. I am really stuck!