Answer:
10 or x=10
Step-by-step explanation:
First we can combine like-terms.
8x+6=86
Then subtract 6 from both sides
8x=80
Divide by 8
x=10
Answer:
A plane figure with 4 sides is called a quadrilateral.
Step-by-step explanation:
Bare with me a minute, I am still trying to figure it out. Here is what I have so far.
The formula for the area of a rectangle is:

w = width
l = length
First, we have to convert 2

into an improper fraction, then into a number. The improper fraction would be

. Let's convert that into a decimal.

Let's multiply

The area of the rectangle would be 25 feet!