Write the equation for the proportional relationship. (Don't use spaces)

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.