Answer=A
Area=Length ×Breath
Length=2cm
Breath=5cm +4cm=9cm
area = 2cm ×9cm=18cm square
C........................................................
He used the commutative property of addition.<span />
Answer:
The result for this equation is
.
Step-by-step explanation:
-Solve the equation:

-Use Distributive Property:


-Subtract 6x and from 12x :


-Add both sides by 30:


-Then, you divide both sides by 6:


So, therefore the answer is
.
Answer:
i dont know
Step-by-step explanation:
i dont know