A parabola can be drawn given a focus of (5, 9)and a directrix of y=3. Write the equation of the parabola in any form.​

Which of the following are parts of a sphere

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?