12 x 40 = 480 square feet
Area = 14*100 = 1400 square feet
12ft*143ft = 1716ft2
87.5 cubic feet
352 square feet.
You needed to specify to what depth the asphalt is being laid.
6 feet wide by 10 feet long is 60 square feet
75 feet,
100 square feet
140 square feet
216 square feet
37.5 square feet.
26 square feet.