A color printer prints 13 pages in 4 minutes. How many minutes does it take per page

What is the quadric regression equation that fits these data

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

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.