On a particular saturday, 60% of the visitors at an art museum were students. if 150 students visited the museum, how many total visitors did the art museum have that day?

Can some one me with this math problem?

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.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid