Respuesta :

B is the correct answer because length times width is the formula for a rectangle, and if the side lengths are 1.40 and x, then that satisfies the requirements
ArmyCeline0613

Answer:

B. the area of a rectangle with side lengths 1.40 and x

Step-by-step explanation:

To find the area of a rectangle, multiply the length by the width.

If 1.40 is the length, x is the width.

1.40×x=1.40x

So B is the correct answer.

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