Please help me with this

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

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?