Find all possible values of x for which these two triangles are similar.

If 25% of y is 30, what is 60% of y?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?