Answer:

Step-by-step explanation:

For the y to cancel out, you would have to divide y by 5. Whenever you do one thing to a side, you <u><em>have</em></u> to do the same on the other side. Once you do so, you'll get : 
<em>Hope this helps!!</em>
It would be more difficult to run up a slope of 5 because it would be steeper. with a 1/5 slope you would have a rise over run but with a slope of 5 it would just be all rise
It is 52 because when roundest to the whole number 52 is closest
The right answer is E because you have to multiply all those numbers and when you do you get 3,000