A. 66 ft.3

B.80 ft.3

C.128 ft.3

D.256 ft.3
Please answer thank you!:)

Step-by-step explanation:

Volume of the shown figure would give the idea of amount of plaster required to give the shapes.

Volume of the small box = 1×1×2= 2ft³

Volume of the big box = 4×4×4=64ft³

Total vol of the model = 64+2=66ft³

optionA

{3 + i, 3 - i, 3, -1}

step-by-step explanation: