Question

Which statement best defines the two quantities that are measured to find the rate at which an airplane descends?

The quantity of time measured in minutes depends on the quantity of speed measured in feet.
The quantity of speed measured in feet depends on the quantity of time measured in minutes.
The quantity of distance measured in feet depends on the quantity of time measured in minutes.
The quantity of time measured in minutes depends on the quantity of distance measured in feet.

Answer 1

"find the rate at which an airplane descends"
so that is a) height
b) time. also, height is dependent on time.

A: The quantity of time measured in minutes depends on the quantity of speed measured in feet.
translation: time depends on speed. wrong

B: The quantity of speed measured in feet depends on the quantity of time measured in minutes.
translation: speed depends on time. wrong

D: The quantity of time measured in minutes depends on the quantity of distance measured in feet.
translation: time depends on distance/height. in other words, we can change time by ascending/descending. that's not possible!!

C: The quantity of distance measured in feet depends on the quantity of time measured in minutes.
translation: to tell height of airplane, must know the time. accurate, with this we can tell the descent by comparing "fall" over "time".

Answer 2

So c?

Answer 3

@mathessentials

Answer 4

C), and distance seems to be - height distance from ground