Answer:
The variable in that expression is x
It is increase, because 15 is less than 18. Other way around, if the question is 18 to 15 yards, then that would be decrease, because it is getting smaller.
Range? that's a possibility
Negative 3143 over 1000 divide -3.143 by 1000 and there’s your answer
0.4%, turn it into a decimal, which is 0.004
0.004*100= 0.4
