Corey has 4929 songs in his computer music library. The songs have a mean duration of 248.6 seconds with a standard deviation of 114.89 seconds. One of the songs is 363 seconds long. What is its z-score?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.