Question

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Answer 1

48 ft^3

Explanation:

Volume = (length x width x height)/3

V = (b times b times h)/3

V = (4 x 4 x 9)/3

V = 144/3

V = 48

(units: cubic feet --> 48 ft^3)

Answer 2

The volume formula for a square based pyramid:

V = 1/3 b^2 • h

Plug in your values:

V = 1/3 (4)^2 • 9

Evaluate:

V = 1/3 (16) (9)

V = 48 ft^3

Hope this helps!