Zvaries inversely with the product of x and y. when x=2 and y=4, z=0.5. what is the value of z when x=4 and y=9? , i've tried different things and i can't seem to get the correct answer. my choices are a: 45/2 b: 40/9 c: 40 d: 1/9

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

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)