In order to simplify this expression, we need to add the like terms.
Like terms are terms that have the same variables to the same power.
So we have:
Therefore the correct option is the fourth one.
They all use the metric unit to measure things (e.g. inches, centimeters, etc.)
As far as I know, I think the difference might be that a yardstick only measures 1 yard. It has 36 inches (which is 3 feet, which is also 1 yard).
A ruler usually is only 12 inches.
A measuring tape is usually 12 feet.
That's what I know.
The answer is D because the line is going down over time
<em>x³ + x²y - xy² - y³</em>
- <em>Step-by-step explanation:</em>
<em>Hi there !</em>
<em>(x − y)(x² + 2xy + y²) =</em>
<em>= x(x² + 2xy + y²) - y(x² + 2xy + y²)</em>
<em>= x³ + 2x²y + xy² - x²y - 2xy² - y³</em>
<em>= x³ + x²y - xy² - y³</em>
<em>Good luck !</em>
Hmmmm Maybe 4 feet since it’s the same as the other shape
