Each month for 5 months, sophie makes 2 quilts. how many more quilts does she need to make before she has made 16 quilts?

27 is what percent of 108? 27 is % of 108

If square root x = -7, then x= -49 true or false

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.