What is the slope of the line that passes through the point (25,8) and (-39, 12)

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

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.