A mailman (M) is located 450 feet from a post office (P). The mailman notices a bird (B) flying at a 42 degrees angle of elevation from his line of sight. How high (H) is the bird flying over the post office. Round to the nearest whole number.

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?