Answer:
Part a) The area of the pool is 
Part b) The area of the pool and the walkway is 
Step-by-step explanation:
we know that
The area of the rectangle is equal to

where
L is the length side
W is the width side
Part a) What is the area of the pool?
we have


substitute the values

Part b) What is the area of the pool and the walkway?
we have


substitute the values

Answer: 3. supplementary 4. complementary 5. supplementary 6. complimentary
Step-by-step explanation:
Since all of the variables are y^3, all we have to do is the addition and subtraction of the whole numbers...
2y^3 - 3y^3 + 3y^3 - 4y^3 =
-2y^3
***Notice that the -3y^3 and 3y^3 just cancel out so all you have to do is the
2-4 = -2
Piece of cake :)