Answer:
16.67
Step-by-step explanation:
Each side is about 4.167 yards so the perimeter is roughly 16.67 yards
The answer would be to divide 1030 by 50 and you would get 21 coaches not 20 because 50x20=1000 and there are 30 remainder. Therefor, you would need that extra coach with some seats left to spare. so your answer is 21 coaches
K is the slope of the line formed by connecting the points.
Use slope formula:

where the 2 points are the end points of the line (First and last going Left to right)

Substitute into slope formula

You can check if this is correct by going back to graph and going "up 7" and "over 2" to get from one point to the next.
Answer:
Is it a map? To me that makes the most logical sense.
Https://www.themathpage.com/alg/equation-of-a-line-2.htm