The directrix of a parabola is the liney = 5. The focus of the parabola is (2,1). What is the equation of the parabola?

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.

Figure lmno is located at l (1, 1), m (4, 4), n (7, 1), and o (4, −2). use coordinate geometry to best classify quadrilateral lmno.

What is the y intercept of f(x)=(1/2)^x?