The speed of sound in water is 1498 m/s. a sonar signal is sent straight down from a ship at a point just below the water surface, and 1.80 s later the reflected signal is detected. how deep is the ocean beneath the ship?

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a. m. if he arrives at the gate at 11: 45 p. m., can he board the flight?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,