Answer:
Area of rectangle,
.
Step-by-step explanation:
We are given with side lengths of a rectangle are (2x-4) units and (x+1) units. It is required to find the area of rectangle.
The area of a rectangle is equal to the product of its length and breadth. It is given by :

Let us consider, L = (2x-4) units and B = (x+1) units
Plugging the side lengths in above formula:


So, the function that models the area of a rectangle is
.
A is the answer.
B and C are solved using addition and subtraction.
D is solved by multiplication.
Answer:
6859
Step-by-step explanation:
All you had to do was 19 times 19 times 19 to equal 6859