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).
Your ANSWER is
4
I really hope this helps let me know if you need a step by step
Answer:
4 to 7 and 8 to 14
Step-by-step explanation:
For 15:
equate both left-hand sides and you will get a quadratic ..
Solve it for x, you get:
x=4, x=-1.75
B
For 16:
the vertex would be (h,k) = (2,4)
A