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➷ The correct number sentence is D. 5.5 + (-2.5) = 3.0
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Length = x + y
Area of a square = Length x Length
The expression can be :
1) Area of the square = (x + y)(x + y)
2) Area of the square = (x + y)²
3) Area of the square = x² + 2xy + y²
Answer:
16
Step-by-step explanation:
