This is an example of the
difference of squares.

So to find the product of <span>(9y</span>²<span> – 4x)(9y</span>²<span> + 4x), we use the formula for the difference of squares.
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140°
Pentagons add up to 540° so if you add all the degrees you get 400° and if subtracted from 540° you get 140°
<span>The cost of a service or item is an expense
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Answer:
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Step-by-step explanation:
In a short paragraph, describe how you would determine the amount of work needed to pull a toboggan the length of a football field. Be sure to include the equipment list and describe the measurements that you will take.
The answer is 460
1. 23 ones is the same as 23
2. 2 tens is the same as 20
3. 23 ones x 2 tens is the same as 23
x20
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Hope you get it and hope i helped!
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