Take a look at the image below.
Answer:
9 sq ft
Step-by-step explanation:
Answer:
1
or

Step-by-step explanation:
In step 1, the commutative property of addition is used since x + 5 is just equal to 5 + x
In step 2, the associative property of addition is used since x is grouped to the last term.
In step 3, the distributive property of multiplication is used since 3 is multiplied to the terms inside the parenthesis.
In step 4, multiplication is done.
Answer:
1.53
Step-by-step explanation:
because 21 minus 19.47= 1.53