I pretty sure that the answer is 1.
Answer:
<u>D.</u><u>A</u><u>l</u><u>l</u><u> </u><u>of </u><u>these </u><u>statements </u><u>are </u><u>true</u>
If we're talking about a box with dimensions 10 ft, 19 ft and 20 ft, it's probable that the instructions say to calculate the volume. That would be
V = (10 ft)(19 ft)(20 ft) = 3800 cubic feet.