Captain Jack Sparrow needs to get on his roof to check a leak. He has a 13-foot ladder that he leans against the house. The bottom of the ladder is 5 feet from the house. His roof is 11 feet high from the ground. How high is the top of the ladder? Will it let him reach the roof?

Evaluate cos2θ for cosθ = square root of 3/2

15/16 as a decimal rounded to the nearest hundredth

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.