PLZ HELP ME I DONT UNDERSTAN ILL GIVE BRAINIESTT
Which is the equation of a hyperbola with directrices at y = ±2 and foci at (0, 4) and (0, −4)?

x squared over 8 minus y squared over 16 equals 1
y squared over 16 minus x squared over 8 equals 1
x squared over 8 minus y squared over 8 equals 1
y squared over 8 minus x squared over 8 equals 1

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

Need this asap if anyone can i would be very grateful. if you could show workings that would really

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package