Aboat is 15 ft away from a point perpendicular to the shoreline. a person stands at a point down the shoreline so that a 65° angle is formed between the closest point to the boat, the person, and the boat. how far is the person from the boat? round your answer to the nearest tenth of a foot.

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.