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