Answer:

Step-by-step explanation:
From the question we are told that:
Length of pool 
width of pool 
Width of brick-walk way
Generally the equation for Area of the pool
is mathematically given by

Generally the equation for Area of the pool with its walkway
is mathematically given by

Where

Therefore

Generally the equation for pool's walkway
is mathematically given by


Answer:
it will be n=4
Step-by-step explanation:
12,000 1-n/5 =2,400n
12000-12000=2,400
2,400-12000=-9600
-2400 n=4
9514 1404 393
Answer:
-4u^2/y+(5/2)y^3u^2
Step-by-step explanation:
The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
(a^b)/(a^c) = a^(b-c)
__

Answer:
Step-by-step explanation:
A few suggestions:
Put the equations in y = mx + b format
create a table. choose some x and plug that in and solve for y
plot those point. connect the dots
Answer:
$54.40
Step-by-step explanation:
First, find the new price after the 20% markdown:
80(0.8)
= 64
Then, find the price with the 15% markdown:
64(0.85)
= 54.4
So, the new price of the coat is $54.40