It is either A,B, Pr D. It will at the least have to be a common multiple of 10.
Answer:

Step-by-step explanation:
The area of a rectangle is equal to
, where
is the length of the rectangle and
is the width of the rectangle. In a rectangle, opposite sides are equal.
Therefore, we can write the following system of equations:

Expand the first equation:

Substitute the second equation into the first (
):

Solving for
:

Answer:
x = -3
Step-by-step explanation:
-8x - 18 + 7 + 2x = 5 - 3x - 4 + x
-8x + 2x + 3x - x = 18 - 7 + 5 -4
-4x = 12
x = -3
Answer: 189 sq.ft
Step-by-step explanation:
- Plot the coordinates and connect the dots
- Find the area of the shape by adding the squares together
- Multiply the grid by 9 since each grid is 9 sq.ft
Answer: Option B
Step-by-step explanation: