Using a sample of SAT scores (n = 5000) with an average score of 600 and a standard deviation of 150, determine the probability that a randomly selected score will be between a 450 and 700.

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.

With alll of except for the 2 that i did already

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.