Respuesta :

We know the area is length * width.

So we know the length is 8 feet.

The width is 7 + x feet.

Multiply them:

8 * 7 + x.

56 + x.

So option D)

sorry, I misread the options! I meant D) not A)

Answer:

the answer will be D

Step-by-step explanation:

because (seven + x)*feet

the feet is 8 so

(7+x)*8

you distribute and it would be 56+8x

cause 8*7 is 56 & 8*x is 8x

so it would be D