Answer:
A plane shape with four straight sides and four right angles for corners is called a rectangle.
Step-by-step explanation:
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It’s B because I got it right
Answer: 3x3=9, 4x5=20, 8x9=72, and 7x3=21!
Step-by-step explanation:
The sum of -2 and -7 is given as follows :
-2 + (-7)
In mathematical operations, + * - is - therefore
Now soo we have,
-2 – 7
This gives us: -9
Learn more about addition at : brainly.com/question/20691960
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Disclaimer : The complete question is given below.
Question :
For addition, drag tiles onto the board.
To form a group, place one tile on top of another.
What is the sum of -2 and -7?
Board sum: 0
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