Houston To Miami Distance How Do You Know Which Is Y And X?

How do you know which is Y and X? - houston to miami distance

Hello, I have some problems.
1. Gustavo throws an object at a speed of 20 meters per second. due to gravity, of course, the object will fall to the ground. The eqaution describing its rate of s T seconds:
s (t) =- 9.8t + 20
Based on the above equation, which is independent of the following variables:
A. Weather
B. The speed of the object
C. The height of the object
D. Gravity

2. First city miles, then the second, then the price.
Cheyenne, 1624, $ 294.88
Houston, 1042, $ 225.04
Miami 721, $ 186.52

What is the independent and dependent variables, respectively?
Distance, cost
Location B, the distance
C. Costs of the city
D. The distance of the city