Help please I’ll put it as 25 points I’m begging

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).