A $6\mathrm{.}51$ mm high firefly sits on the axis of$,$ and $11\mathrm{.}5$ cm in front of$,$ the thin lens A$,$ whose focal length is $5\mathrm{.}87$ cm $.$ Behind lens A there is another thin lens, lens B$,$ with a focal length of $20\mathrm{.}5$ cm $.$ The two lenses share a common axis and are $62\mathrm{.}3$ cm apart.

How far $\backslash ($ s$\_\{\backslash$mathrm$\{$B$\}\}^\{\backslash$prime$\}\backslash )$ from lens B is the final image located?

Enter your answer as a positive number.

$\backslash [$

s$\_\{\backslash$mathrm$\{$B$\}\}^\{\backslash$prime$\}=$

$\backslash ]$

What is the height $\backslash ($ h$\_\{\backslash$mathrm$\{$B$\}\}^\{\backslash$prime$\}\backslash )$ of this image in millimeters?

Enter your answer as a positive number.

$\backslash [$

h$\_\{\backslash$mathrm$\{$B$\}\}^\{\backslash$prime$\}=$

$\backslash ]$

Is the image of the firefly that lens B forms real or virtual?

virtual

real

Is this image upright or inverted with respect to the firefly?

upright

inverted