Answer:
A. 6x – 6
B. 2x²–15 +28
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^_^
7.5m questions
10.1m answers