Help me thanks anyone

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?