Divide 16 by 2 first following PEMDAS.
10 - 8
Solve
2

Let's find the slope :
taking :
now, we know the formula to find the slope, that is :
Answer:
the answer is D (^_^ ) hope this helps
Step-by-step explanation:
check the picture below.
so, we know the dimensions of the pool, is a 20x10, so its area is simply 200 ft², and we know the walkway is 216 ft², so the whole thing, including pool and walkway is really 200 + 216 ft².
now, as you see in the picture, the dimensions for the combined area is 20+2x and 10+2x, since the walkway is "x" long, therefore,

notice, it cannot be -18, since is a positive length unit.
Answer:
$2.57
Step-by-step explanation:
divide 5,140 by 20,
5,140/20=257=2.57