Solve. Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 4 hours. How long will it take them to do
the job if they work together?

Which of the following expressions are equivalent ?

What properties allow transformation to be used as a problem solving tool

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.