Respuesta :

A = 144 square inches

Step-by-step explanation:

surface area of rectangular prism :

A = 2(hℓ + ℓw + hw)

A = 2(7 · 4 + 4 · 4 + 7 · 4)

A = 2(28 + 16 + 28)

A = 2(72)

A = 144 square inches