Answer:
, 
Step-by-step explanation:
The total area of the pool and the walkway is:




The roots of the second-order polynomial is:
and 
The only possible root is:

The other dimension of the pool is:



Answer:
Use area of trap formula and special right triangles
Step-by-step explanation:
A = (.5)(10 + 18)(5)
The answer is A. “The dilation of 1/2 and Rotation of 90 or 270.”
Answer:
a) ⅖+⅓ = 6/15 + 5/15 = 11/15
b) 5/9 - 1/2 = 10/18 - 9/18 = 1/18

As, 

=0.301029+0.845098+1.13943
=2.26007
=2.260(approximate)