Answer:
(B) 18.
Step-by-step explanation:
We are asked to find the perimeter of a quadrilateral with vertices at (-1, 4), (7,4), (7,5), and (-1. 5).
First of all, we will draw vertices of quadrilateral on coordinate plane and connect the vertices as shown in the attached photo.
We can see that our quadrilateral is a parallelogram, whose parallel sides are equal.



Therefore, the perimeter of the given quadrilateral is 18 units.
We need to find the quotient of the given division problem.

In order to find its quotient, we will use long division.
)
First of all, we put x in the quotient as
goes into
, x times.
So, we get:
)
(x

Upon subtracting, we get:

We can see that
goes into
, -2 times, therefore, the next term in the quotient will be -2. This makes our quotient as (x-2).