Answer:
B. 
Step-by-step explanation:
Given expression is 
Simplifying the expression now
Lets use distributive property of multiplication to solve it.
As given, 
Distributing -6 with b and 2.
= 
Opening the parenthesis
= 
= 
∴ As from the given options,
is the correct choice.
Answer:
10 7
20 14
30 21
Step-by-step explanation:
Answer:
135 square ft.
Step-by-step explanation:
To solve this equation, you need to find the area of this rectangle. Area is always base x height, or in this case, length x width. Now you multply your length, 15', by your width, 9', to get your answer, 135 square feet. When you multiply two measurments of the same unit together, you get square (units), which simply means that you multiplied two of the same unit of measurment together.
Multiply equation II by 2 and then add up the equations.
Answer: 13
Step-by-step explanation: because I have the whole bookanswer duh