Answer:
1. Commutative Property of Addition
2. Distributive property
Step-by-step explanation:
Given
Required
Justify each step
From Line 1 to 2:
The property from Line 1 to 2 depicts 
;
i.e.
This is referred to as Commutative Property of Addition
From Line 2 to 3:
The property here depicts 
i.e.
This is referred to as Distributive property
Answer:
one way is L times W (length times width)
Step-by-step explanation:
for example if you had 5ft. for length and 6ft. for width you would times the two to get you area
Answer:
That is correct
Step-by-step explanation:
When doing the math you can find that b and d are correct
Answer:
$255
Step-by-step explanation:
As, the area of the pool bottom = length x breath
= 20 x 15 = 300 square foot
So for painting
Per square foot = $0.85
So for 300 square foot = $0.85 x 300
= $255
