The length of a rectangular is 2/5 meter. it's width is 1/4 of its length .what is the perimeter of the rectangle?

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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.