Answer:
364 square inches
Step-by-step explanation:
Surface area = 2(length)(width) + 2(length)(height) + 2(width)(height)
= 2(14)(7) + 2(14)(4) + 2(7)(4)
= 196 + 112 + 56
= 364 square inches
I multiplied each by two because there are two sides with the same dimensions.
