If a dolphin is at -7 meters below sea level and jumps 0.5 meters, wheres the dolphin at now?

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

Which one ? is the answer and how to find this answer

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2