The coordinates of a point and its image are given below. What is the line of reflection?
(-8,9) → (9,-8)

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)