Agroup of hikers buys 8 bags of trail mix. each bag contains 3.5 cups of trail mix. the trail mix is shared evenly among the 12 hikers. how many cups will each hiker receive?

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.

Acircle has a circumference of 28.36 units what is the diameter of the circle

Which equation represents h for right triangle abc