X is always dependant to Y. so that should answer the 1st one. the 2nd looks to be around 17-18. 17.5 maybe. and the 3rd is yes cause he does not go to the pool so it isnt any cost.
Answer: the answer is x<-4 so the correct answer choice would be D
Step-by-step explanation: Hope this helps :)
Answer:
the slope of 15 is more difficult to run on
Step-by-step explanation:
The larger the slope, the steeper the ramp. A slope of zero is a horizontal line, which would be relatively easy to run on. A slope of undefined is a wall, which we cannot run on (we would fall off). The larger the number, the steeper it gets