(3xsecond powery) (-4xythird power)

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

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers