Time in hours which is greater 5 1/3, 5 3/5, 5 2/3, 5 2/5

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

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.