26 = 2 * 2 * 2 * 2 * 2 x 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.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?