Convert 625 km per 4.33 hours (km/hr) into meters per second (m/s)

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

What is the range for 31,39,29,34,37,24,36,33,34,28

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.