What are the coordinates of the point on the directed line segment from (-8,-1) to (6,-9) that partitions the segment into a ratio of 3 to 1?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

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.