The volume of a cube decreases at a rate of 0.5 ft3 / min. What is the rate of change of the side length when the side lengths are 12 feet

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

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.