Respuesta :

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Answer:

A. 6x – 6

B. 2x²–15 +28

Step-by-step explanation:

A.

Perimeter = (length +width)×2

=[ (2x-7) + (x+4)] ×2

= ( 3x – 3)×2

= 6x – 6

B.

Area = length ×width

= (2x-7)(x-4)

= 2x²-8x-7x+28

=2x²-15x+28

I hope I helped you^_^

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