Question

Help help help help!!!!!

Answer 1

A=w•l
w=x+1
l=x+7
A=(x+1) •(x+7)
A=x^2+7x+x+7
A=x^2+8x+7

Answer 2

Area is equal to length times width, so we can use this over here:

Area = lw
Area = (x+7)(x+1)
Area = x^2+x+7x+7
Area = x^2+8x+7

Hope this helps!! :)