Last year at science camp there were 140 people sleeping in cabins. There were 18 students for every 2 chaperones. How many students were sleeping in cabins?

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.

Plot the intercepts to graph the equation

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school