The answer is 54 feet because 15+15+12+12=54
Hope this Helps :D
Change in y = -200 meters
change in x = 400,000 meters
slope = change in y / change in x = -200/400,000 = -1/2,000 meters
A1=2, a2=-3a1-1=-7, a3=-3a2-1=20, a4=-3a3-1=-61, (a5=-3a4-1=182).
2, -7, 20, -61 are the first 4 terms.
There are two cases that fall into this category.
A. abscissa negative, ordinate positive. This type of coordinates are of points which lie on the second quadrant.
B. abscissa positive, ordinate negative. The points having this type of coordinates lie on the fourth quadrant.
8,18,18,11,11 that should be right