A wave travels at a speed of 74 m/s. If the distance between crests is 12 m, what is the frequency of the wave? Use f
2
V
O A. 6.2 Hz
O B. 0.16 Hz
O c. 62 Hz
O D. 890 Hz

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?