Can anyone do 8-15? I’m kinda confused

See attachment below and find the equivalent of tan(∠qsr)

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re