Mr raley allowed a class of sixth graders to choose an activity for their gym class. what is the ratio of students playing volleyball to the total number of students 12 to 36

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red