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stiks02 [169]
4 years ago
5

What is the area of a square with 21-inch sides

Mathematics
1 answer:
Norma-Jean [14]4 years ago
8 0
Area of square = side times side

Given: side = 21 inch
so
A = 21 * 21
A = 441

Answer
A = 441 square inches
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<u>Answer:</u>

Mrs. Khan is mailing 2 packages. Subtract 623 – 312 best describe how to find out how much heavier the larger package is. Hence Option C is correct

<u>Solution:</u>

Given that  

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That is<em> Weight of larger package – Weight of smaller package</em> = 623 pounds – 312 pounds

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