Adam wants to tip the room service person 15 percent of the food bill of $163.56. how much should he tip?

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.

What is the value of 1/3x + 7x when x = 5

What dimensions can créate more than one triangle ?