Answer: The answer is (D) 
Step-by-step explanation: Given that there is a rectangle, where length of the rectangle is given by

and width of the rectangle is given by

We are to find the perimeter of the rectangle. To do so, we need to add two times length with two times breadth of the rectangle.
Therefore, perimeter is given by

Thus, the correct option is (D).
In this question, you have to isolate <em>x</em>.
First, use the distributive property.

Now that you have distributed, subtract the constants.
Answer:
he
Step-by-step explanation:
5.104+4.103+7.10+1=
9.207+7.10+1=
16.307+1=
17.307